CCIE DC Part 1 Flashcards
FabricPath brings the benefits of routing protocols to layer 2 network Ethernet environments. What are the advantages of using FabricPath technology? (Choose three.)
A. FabricPath provides MAC address scalability with conversational learning
B. Loop mitigation with TTL in the frame field
C. STPl independence
D. 10 Gbps bandwidth
E. Layer 2 extensions between data centers
Answer: A,B,C
A network administrator has installed an N7K-F248-25XP module into an existing chassis. The module is powered on, but the interfaces are all in VDC0. What is the reason for this?
A. The chassis needs an EPLD upgrade to support the new module type. B. The default VDC cannot support F2 modules. C. The interfaces must be allocated into a VDC for F2 modules only. D. The module has failed GOLD diagnostics, and the switch has isolated the ports to protect the integrity of the system.
Answer: C
Which two statements about SAN port channels configured on Cisco Nexus 5000 Series switches
are true? (Choose two.)
A. The bring up protocol automatically detects and overrides any misconfiguration.
B. You can manually configure channel groups, or they can be automatically created.
C. Changes in configuration to the SAN port channel interface must also be made to all members
of the channel group.
D. The port channel protocol uses the exchange fabric parameters command to communicate across peer ports in an ISL.
E. The port channel protocol ensures that a set of ports is eligible to be part of the same SAN port
channel.
Answer: B,E
Which three capabilities make the Cisco Nexus 7010 switch an effective solution for the data center core? (Choose three.)
A. virtualization
B. unified I/O
C. support for 48-port Gb/s line card
D. support for Data Center Service Modules
E. high performance
F. high availability
Answer: B,E,F
Which statement about Cisco Unified Fabric switches is correct?
A. The Nexus 5000 family of switches does not support vPC when running in either NPV or FCoE NPV mode.
B. The MDS 9100 family of switches is an excellent design choice as a Unified Fabric edge switch.
C. The Nexus 7000 Series Switches can support the NPIV mode of operation, but cannot function as a complete Fibre Channel Forwarder.
D. The Nexus 7000 Series Switches cannot support advanced Cisco Fibre Channel features such as IVR.
E. The MDS family of Cisco Unified Fabric switches supports both the Fibre Channel Forwarder and Fibre Channel Bridge functions.
Answer: E
Which statement about SAN port channels configured on Cisco Nexus 5000 Series Switches is true?
A. A single SAN port channel can have both Fibre Channel and virtual Fibre Channel interfaces.
B. SAN port channels can include up to 16 interfaces.
C. SAN port channels distribute traffic across all links in the port channel when source ID and destination ID load balancing are used.
D. The links in SAN port channels can be connected to different sets of switches.
E. The On mode of operation means ports only operate as part of a SAN port channel or remain inactive.
Answer: E
Which capabilities are not supported in DCNM device manager?
A. manage SNMPv3 security access to switches
B. save and copy configuration files and software images
C. configure VLANs and Ethernet port channels
D. manage 2148T FEX, 2232PP FEX, and 2248TP FEX
E. configure FCoE
Answer: C
What is the use of NPV in Cisco Unified Computing Systems? (Choose two.)
A. Compatibility with third-party Fibre Channel switches
B. Faster throughput
C. Reduce domain IDs in a Fibre Channel environment
D. Support for increased number of VSANs
E. Support for SAN port channels
Answer: A,C
If the default VDC is configured to limit resources to a specific module type, what happens when a module that does not match the resource type is installed?
A. The module is powered up, and interfaces are in an "admin down" state. B. The module is denied power, and a syslog message is generated. C. The module is powered up, and interfaces are allocated to VDC0. D. The module is powered up, and interfaces are allocated to VDC100
Answer: C
What is the mechanism that is used to allocate MAC addresses that are assigned to the VDC for the system MAC address?
A. NX-OS uses a random MAC address from the IEEE OUI block that is assigned to Cisco.
B. The VDC system MAC is pulled from the active supervisor and concatenated through a hash to ensure uniqueness.
C. NX-OS uses a value that is based on a range that is assigned to the SPROM of the system backplane.
D. The VDC system MAC is based on a range that is allocated to the first line card that is installed in the switch.
Answer: C
Which three flow-control port states lead to enabled link flow control? (Choose three.)
A. Receive port: Enabled, Transmit port: Enabled
B. Receive port: Enabled, Transmit port: Desired
C. Receive port: Enabled, Transmit port: Disabled
D. Receive port: Disabled, Transmit port: Desired
E. Receive port: Desired, Transmit port: Desired
Answer: A,B,E
In a configuration with redundant supervisors, how many IP addresses are required to configure full remote access via management 0?
A. two IP addresses, one for each supervisor
B. three IP addresses, one virtual IP and one physical IP for each supervisor
C. one IP address that is shared among supervisors
D. none—management 0 will use the IP address from the first SVI that is created
Answer: C
VLAN configuration using DCNM can be completed by which two supported methods? (Choose two.)
A. Copy and paste the VLAN, along with its VLAN ID, name, type, admin state, and admin status, from one device to another.
B. Create a single VLAN or a range of VLANs.
C. A VLAN is created only after choosing File > Deploy to apply changes.
D. After a VLAN is created, it requires the state to be enabled.
E. Modify the existing VLAN by choosing Interface > VLAN > VLAN Settings.
Answer: A,B
Enabling jumbo frame support on a Cisco Nexus 5500 Switch can be done through which method?
A. changing the default policy map from a default MTU of 1500 to 9216 B. using the command system jumbomtu 9216 C. using the command interface MTU 9216 D. configuring the default Ethernet system class to an MTU of 9216 with a new network QoS policy map
Answer: D
Which two statements about authentication settings for DCNM-LAN are true? (Choose two.)
A. If none of the authentication servers that are configured for the current authentication mode responds to an authentication request, the DCNM-LAN server falls back to local authentication.
B. DCNM-LAN only supports TACACS+.
C. Each DCNM-LAN server will have the same device credentials.
D. Administering DCNM-LAN authentication settings requires an authentication license.
E. DCNM-LAN server users are local to the DCNM-LAN server.
Answer: A,E
DCNM is capable of monitoring the network performance of a SAN. What are the three primary areas of this operation?
A. analyze traffic, device management, and network monitoring
B. DCNM-SAN, DCNM-LAN, and device manager
C. definition of flows, information collection, and data presentation
D. SNMP poll data, MIB analysis, and report generation
Answer: C
What is required for proper implementation of jumbo frame support on a Cisco Nexus 2000 SeriesFabric Extender?
A. The interface configured as FEX fabric requires the MTU to be set to jumbo.
B. The service policy must be applied to the system QoS.
C. The device defaults to jumbo frame support; no changes are required.
D. The switchport in the FEX interface must be set to MTU 9216.
Answer: B
DCNM device discovery is done by connecting to Cisco NX-OS devices and doing which three of these? (Choose three.)
A. collecting the running configuration
B. raising the logging level to meet the minimum requirement
C. discovering all devices by default
D. discovering devices using multiple user accounts as long as they are administrator-level accounts
E. using LLDP to discover network adaptors
Answer: A,B,E
You can install Cisco DCNM-LAN on a supported version of which two operating systems? (Choose two.)
A. Microsoft Windows Server
B. Novell SUSE Linux Enterprise Server
C. Oracle Enterprise Linux
D. Red Hat Enterprise Linux
E. VMware ESX
Answer: A,D
Cisco DCNM-LAN supports the configuration and monitoring of many Cisco NX-OS features, including which two of these Ethernet protocols? (Choose two.)
A. GLBP
B. HSRP
C. IRDP
D. VRRP
Answer: A,B
The vPC peer-gateway capability allows a vPC switch to act as the active gateway for packets that are addressed to the router MAC address of the vPC peer. This feature enables local forwarding of such packets without the need to cross the vPC peer link. Which statements are true about the vPC peer-gateway? (Choose two.)
A. The vPC peer-gateway feature is enabled by default.
B. The vPC peer-gateway feature can be configured globally under the vPC domain submode.
C. Enabling the peer-gateway feature automatically disables IP redirects on all interface VLANs
mapped over a vPC VLAN to avoid generation of IP redirect messages for packets switched through the peer gateway router.
D. The vPC peer-gateway feature only works with HSRP protocol.
Answer: B,C
Cisco UCS provides integration interfaces and protocols to support heterogeneous data center environments and supports standard monitoring and event notification systems, providing data to standard enterprise-management tools.
Which two of these list the primary Cisco UCS interfaces and industry standard-based read-only interfaces? (Choose two.)
A. UCS Manager XML API and UCS CLI
B. SNMP, SMASH CLP, and CIM-XML
C. UCS Manager, DCOS, and Local-mgmt
D. SoL and NX-OS
E. debug-plugin and UCS Manager GUI
Answer: A,B
A virtual port channel (vPC) allows links that are physically connected to two different Cisco Nexus devices to appear as a single port channel to a third device. Which are the mandatory steps for configuring vPC? (Choose six.)
A. Enable feature vPC
B. Define domains
C. Establish peer keepalive connectivity
D. Create a peer link
E. Configure the peer link as a trunk port
F. Create port channels and vPCs
G. Define port channel load-balancing method
H. Make sure configurations are consistent
Answer: A,B,C,D,F,H
When creating a role in a Cisco Nexus 7000 Series switch, rules are used to define the type of operations that a role will allow the user to perform. Which two of these parameters cannot be applied as a rule? (Choose two.)
A. port-profile
B. command
C. access-list
D. feature-group
E. OID
Answer: A,C
Overlay Transport Virtualization (OTV) overlay interfaces are a logical multiaccess and multicast capable interface that must be explicitly defined by the user and where the entire OTV configuration is applied. Which statements are true about OTV overlay interface? (Choose two.)
A. When an OTV edge device receives a Layer 2 frame destined for a remote data center site, the frame is logically forwarded to the overlay interface.
B. The OTV edge device performs the dynamic OTV encapsulation on the Layer 2 packet and sends it to the join interface toward the routed domain.
C. When the OTV edge device receives a Layer 2 frame destined for a remote data center site, the frame is logically forwarded to the join interface.
D. The OTV edge device performs the dynamic OTV encapsulation on the Layer 2 packet and sends it to the overlay interface toward the routed domain.
Answer: A,B
The network administrator is seeing N7K-1 having issues with VLAN 11, and interface VLAN 11 is resetting, causing frequent HSRP state changes. Which two actions would reduce HSRP state changes? (Choose two.)
A. On N7K-1, configure the HSRP extended hold timer to 180, extending the HSRP hello message hold time.
B. On N7K-2, configure the HSRP extended hold timer to 180, extending the HSRP hello message hold time.
C. On N7K-1, configure the pre-empt delay minimum to 180 in order to delay N7K-1 from taking over as the HSRP active router.
D. On N7K-2, configure the pre-empt delay minimum to 180 in order to delay N7K-2 from taking over as the HSRP active router.
E. On N7K-2, increase the HSRP priority to 150.
F. On N7K-2, decrease the HSRP priority to 50.
Answer: C,E
Overlay Transport Virtualization (OTV) join interface is used to source the OTV encapsulated traffic and send it to the Layer 3 domain of the data center network. Which statements are true about OTV join interface? (Choose three.)
A. Join interface is a Layer 3 entity, and with the Cisco NX-OS release 6.0, it can only be defined as a physical interface, physical subinterface, Layer 3 port channel, or Layer 3 port channel subinterface.
B. A single join interface can be defined and associated with a given OTV overlay.
C. Multiple overlays can also share the same join interface.
D. Join interface can be a loopback interface.
E. The join interface is a Layer 3 entity that can be defined as a physical interface but not as a logical one.
Answer: A,B,C
Cisco NX-OS Software supports SNMPv1, SNMPv2c, and SNMPv3. Both SNMPv1 and SNMPv2c use a community-based form of security. SNMPv3 provides secure access to devices by a combination of authenticating and encrypting frames over the network. Which security features are provided in Cisco NX-OS SNMPv3? (Choose three.)
A. encryption—scrambles the packet contents to prevent them from being seen by unauthorized sources
B. password—a password (community string) sent in clear text between a manager and agent for added protection
C. authentication—determines that the message is from a valid source
D. message integrity—ensures that a packet has not been tampered with while it was in transit
E. user—to determine if user authentication is used instead of community strings
Answer: A,C,D
The hardware and software configurations for vPC+ are similar to that of traditional vPC. What are the differences in the configuration of vPC+? (Choose three.)
A. FabricPath switch ID must be configured under the vPC domain.
B. Virtual switch ID of vPC+ must be configured under FabricPath domain.
C. On Cisco Nexus 7000 Series Switch, F1 interfaces must be used as the vPC+ peer links.
D. The vPC+ peer link must be configured as a Cisco FabricPath core port (switchport mode fabricpath).
E. FabricPath subswitch ID must be configured under the vPC domain.
Answer: A,C,D
Smart Call Home provides an email-based notification for critical system policies. A range of message formats are available for compatibility with pager services, standard email, or XMLbased automated parsing applications. Destination profiles are used by Smart Call Home when sending notifications. Which of these are predefined destination profiles supported by Cisco NXOS Software? (Choose three.)
A. short-text-destination
B. prerecorded audio alerts
C. CiscoTAC-1
D. dial911
E. full-text-destination
Answer: A,C,E
After configuring FabricPath, the following appears in the syslog:
%STP-2-L2GW_BACKBONE_BLOCK: L2 Gateway Backbone port inconsistency blocking portport-channel100 on VLAN0010.
What is the cause of this message?
A. STP must be disabled; message indicates that STP is enabled.
B. STP is misconfigured; root guard must be disabled.
C. An inferior BPDU is received on a Cisco FabricPath edge port.
D. A superior BPDU is received on a Cisco FabricPath edge port.
Answer: D
Which description is correct for a private VLAN community port with respect to Layer 2 communications?
A. It communicates with all other community ports in the private VLAN domain.
B. It communicates with only isolated ports in the private VLAN domain.
C. It communicates only with other community ports in the same community and associated promiscuous ports.
D. It communicates only with associated promiscuous and isolated ports.
Answer: C
On Cisco Nexus 7000 Series Switch Cisco FabricPath domain, one switch becomes the root for
the multidestination tree. Cisco FabricPath IS-IS will automatically select root switches for each
multidestination tree. One of the parameters used to select the root is system ID.Which statements are true about system ID? (Choose two.)
A. System ID is a unique 12-bit SID.
B. System ID is a 48-bit value composed of the VDC MAC address.
C. Higher system ID is preferred.
D. Lower system ID is preferred.
Answer: B,C
Which two are benefits of using remote AAA services for Cisco Nexus products? (Choose two.)
A. They make it easier to manage user logins and passwords across devices.
B. They enable automated configuration backup for devices.
C. They centrally manage user attributes and permissions.
D. Local console access is never included in AAA and can be used for access when the AAA
servers are down.
Answer: A,C
What tasks can only be performed in the default or admin VDC?
A. EPLD upgrade, IOS ISSU, FCoE feature enablement, CoPP configuration, and rolling back a checkpoint
B. EPLD upgrade, Cisco IOS ISSU, FCoE feature enablement, CoPP configuration, and ACL capture enablement
C. EPLD upgrade, Cisco IOS ISSU, FCoE feature enablement, CoPP configuration and SNMP configuration
D. EPLD upgrade, Cisco IOS ISSU, FCoE feature enablement, CoPP configuration, and write erase
Answer: B
What does the mac packet-classify command do when applied to an interface configuration?
A. It enables MAC ACLs to be applied to only IP packets that enter the interface.
B. It enables MAC ACLs to be applied to only non-IP packets that enter the interface.
C. It enables MAC ACLs to be applied to all packets that enter the interface.
D. It enables MAC ACLs to be used for QoS settings.
Answer: C
In a virtual port channel (vPC) configuration, VRRP exhibits which characteristic?
A. VRRP does not work with vPC due to industry standard requirements
B. VRRP works with vPC in traditional active/standby modes
C. VRRP works with vPC in an active/active mode
D. VRRP work with vPC as long as vPC peer-gateway is configured to address non-standard replies to the physical MAC address
Answer: C
On Cisco Nexus 5000 Series Switches, where are the virtual output queues implemented, and what is the main purpose of virtual output queues?
A. on all ingress interfaces; to ensure maximum throughput on a per-egress, per-CoS basis
B. on all ingress interfaces; to provide independent congestion management and 16 queues
C. on all egress interfaces; so that a congested egress port does not affect traffic directed to other egress ports
D. on all egress interfaces; to prevent head-of-line blocking by utilizing multiple virtual output queues
E. on all egress interfaces; to be able to use EEE 802.1p CoS
Answer: A
On the Cisco Nexus 7000 Series Switch, Control Plane Policing is enforced on which component?
A. The supervisor module enforces CoPP before out-of-policy traffic reaches the CPU
B. The fabric modules enforce CoPP in the fabric before out-of-policy traffic reaches the CPU
C. The linecards enforce CoPP locally before out-of-policy traffic reaches the CPU
D. The egress virtual output queue enforces CoPP locally before out-of-policy traffic reaches the CPU
Answer: C
2012 Feb 23 23:00:08.676710 pim: [16132] (default-base) Received unauthenticated hellomessage
from 10.1.1.2 on Ethernet1/18, message discarded
2012 Feb 23 23:00:12.528763 pim: [16132] (default-base) Send Hello with AH on Ethernet1/18
from 10.1.1.1, holdtimE. 105 secs, dr-priority: 1
You are troubleshooting a PIM neighbor adjacency that is not coming up. You issued the command show ip pim neighbor e1/18 and confirmed there is no PIM neighbor on the interface.
What is the problem based on the debug output?
A. The peer router 10.1.1.2 has PIM disabled on its interface connecting to Ethernet1/18.
B. The peer router 10.1.1.2 has the wrong PIM password configured on its interface connecting to
Ethernet1/18.
C. The local router 10.1.1.1 has the wrong PIM password configured on Ethernet1/18.
D. The peer router 10.1.1.2 does not have PIM hello authentication enabled on its interface
connecting to Ethernet1/18.
E. The local router 10.1.1.1 does not have PIM hello authentication enabled for Ethernet1/18.
Answer: D
What is the benefit of using Anycast RP via RFC 4610 for IP multicast RP redundancy?
A. Improves convergence of the multicast network due to enhanced RPF checks
B. Simplifies the number of control plane protocols over other RP redundancy methods
C. Eliminates the use of Protocol Independent Multicast (PIM) in the topology
D. Increases the administrative distances in Multicast Source Discovery Protocol (MSDP) configuration
Answer: B
Which statement best describes ACL configuration using configuration session mode on Cisco
Nexus switches?
A. The verify command will validate commands entered for syntax errors.
B. The save command will save the commands entered to the startup configuration.
C. The network administrator can perform a dry-run ACL configuration by verifying the configuration against the hardware and software resources available before applying it.
D. Configuration sessions can be saved and resumed at any time, even after upgrading NX-OS Software on the switch with ISSU.
E. Configuration sessions are global for all VDCs on the Nexus 7000.
Answer: C
Overlay Transport Virtualization (OTV) uses the Authoritative Edge Device (AED) to perform which
tasks?
A. The AED is responsible for sending all unicast traffic in a site, while either node in a site can
transmit multicast and broadcast.
B. The AED is responsible for load balancing all traffic for all VLANs across the transport network.
C. The AED is responsible for handling all unicast, broadcast, and multicast traffic for a given VLAN within a site.
D. The AED is responsible for MAC address dispute contention for a given VLAN.
Answer: C
Which three statements about the DHCP snooping feature on Cisco Nexus switches are true?
A. DHCP snooping commands are not available until the feature is enabled with the feature dhcp snooping
command.
B. When you enable the DHCP snooping feature, the switch begins building and maintaining the
DHCP snooping binding database.
C. The switch will not validate DHCP messages received or use the DHCP snooping binding database to validate subsequent requests from untrusted hosts until DHCP snooping is enabled globally and for each specific VLAN.
D. Globally disabling DHCP snooping removes all DHCP snooping configuration on the switch
E. Globally disabling DHCP snooping does not remove any DHCP snooping configuration or the configuration of other features that are dependent upon the DHCP snooping feature.
(Choose three.)
Answer: B,C,E
Which three statements describe user authentication in Cisco DCNM-LAN? (Choose three.)
A. Cisco DCNM-LAN server users are local to the Cisco DCNM-LAN server. Creating, changing, and removing Cisco DCNM-LAN server users has no effect on user accounts on managed devices.
B. A Cisco DCNM-LAN server user that has Administrator privileges can push out changes to
managed devices even if the Cisco NX-OS role that is used on the discovered device has the network operator role.
C. Cisco DCNM-LAN user roles restrict the ability of users to make changes to Cisco DCNM-LAN server settings. Cisco NX-OS user roles enforce read/write privileges on the discovered devices.
D. Cisco DCNM-LAN allows you to configure unique credentials for each discovered device or use default credentials when you do not configure unique credentials for a device.
E. Cisco DCNM-LAN can use AAA servers to authenticate users. Only TACACS servers are supported.
Answer: A,C,D
Nexus# conf t
Enter configuration commands, one per line. End with CNTL/Z.
Nexus(config)# interface Loopback10
% Permission denied
Nexus(config)# ?
no Negate a command or set its defaults
username Configure user information.
end Go to exec mode
exit Exit from command interpreter
What is the reason why this user is not able to enter configuration commands?
A. The user did not enter enable prior to going into configuration mode.
B. The software license installed on Nexus is Layer 2 only, which does not allow the creation of Layer 3 interfaces.
C. The user RBAC role is set to network-operator.
D. The user failed authentication and user access defaulted to read-only mode.
E. The AAA server is currently not responding.
Answer: C
Which three statements describe the configuration change management feature in DCNM LAN?
A. Switch profiles allow configurations to be synchronized between switches and are supported with any Cisco NX-OS Software managed device.
B. DCNM LAN can archive configurations from devices even if they are not managed by the DCNM server, and the administrator can supply the device management IP address and credentials.
C. You can archive a maximum of 50 configuration versions per managed device.
D. Managed devices must be licensed in DCNM LAN before they can be used with configuration change management.
E. Device-running configuration will be archived only if it differs from the last archived version.
(Choose three.)
Answer: C,D,E
Which three statements best describe HSRP configuration on Cisco Nexus switches? (Choose
three.)
A. In a vPC topology, the primary HSRP router will respond to ARP requests, but both HSRP routers will forward data traffic. No additional configuration is required.
B. In a vPC topology, the primary HSRP router will respond to ARP requests, but both HSRP routers will forward data traffic if the peer-gateway feature is enabled.
C. You can configure two overlapping HSRP groups to load share traffic from the connected hosts while providing the default router redundancy.
D. You can use the show standby command to verify HSRP operation and configuration.
E. If you remove the feature hsrp command, all relevant HSRP configuration information is also removed
Answer: A,C,E
Which statement describes SNMP functionality in Cisco NX-OS Software?
A. NX-OS Software supports one instance of SNMP globally for all VDCs; however, MIB counters are collected and reported individually per VDC.
B. SNMP must be enabled with the feature snmp command before any SNMP configuration is possible.
C. SNMP is always enabled by default in NX-OS Software and cannot be disabled.
D. NX-OS Software supports 3DES and AES for SNMPv3 message encryption.
E. SNMP always uses the default VRF on the Cisco Nexus 7000 Series Switches.
Answer: D
Which statement describes the graceful restart capability in Cisco NX-OS Software?
A. In NX-OS Software, the OSPFv2 graceful restart extension is Cisco proprietary and is only compatible with other Cisco routers.
B. A graceful restart allows OSPFv2 to remain in the data forwarding path through a process restart. When OSPFv2 needs to restart, it first sends a type 8 LSA, which includes a grace period that tells NSF helpers to keep all LSAs that originated from the restarting interface.
C. Graceful restart helps keep an NX-OS system forwarding traffic transparently even if it experiences a cold reboot.
D. If the restarting OSPFv2 interface does not come back up before the end of the grace period, or if the network experiences a topology change, the OSPFv2 neighbors tear down adjacency with the restarting OSPFv2 interface and treat it as a normal OSPFv2 restart.
E. OSPFv3 graceful restart must be disabled before doing an ISSU.
Answer: D
Which statement describes the XML management interface in Cisco NX-OS Software?
A. The following XML-based NETCONF operations are supported in NX-OS SoftwarE. closesession, copy-config, delete-config, and edit-config.
B. The following XML-based NETCONF operations are supported in NX-OS SoftwarE. closesession, copy-config, edit-config, and kill-session.
C. NX-OS Software supports up to a maximum of 16 concurrent XML sessions.
D. Only show commands are supported via the XML management interface in NX-OS Software.
E. The NX-OS implementation of the XML-based NETCONF requires SSH to be used for communication with the device.
Answer: E
Cisco FabricPath uses what as a common bridge ID to connected Spanning Tree Protocol bridges?
A. C84C.75FA.6000
B. 0100.5E11.02FD
C. C84C.76FA.6000
D. 4000.0000.0001
Answer: A
Which statement describes OTV configuration on the Cisco Nexus 7000 Series Switches?
A. The OTV control-plane protocol uses the IS-IS protocol to establish adjacencies and exchange MAC reachability across the overlay network. You must enable IS-IS with the feature isis command before OTV adjacencies can be established.
B. OTV uses an SSM group range for neighbor discovery and to exchange MAC reachability with other OTV edge peers.
C. The OTV join interface is a routed uplink interface on the edge device used to physically join the overlay network.
D. The OTV internal interface encapsulates the site Layer 2 frames in IP unicast or multicast packets that are then sent to the other sites.
Answer: C
How are IP multicast IGMP entries synchronized between vPC peers?
A. IGMP is not synchronized between vPC peers
B. Cisco Fabric Service carries IGMP entries across the vPC peer link
C. IP ARP synchronization under the vPC domain configuration also synchronizes IGMP
D. IGMP is flooded to the L2 domain, and there is no need to synchronize it between vPC peers
Answer: B
Which option describes the default roles available to RBAC on Cisco Nexus switches?
A. admin, operator, network-admin, and network-operator
B. admin, read-only, network-admin, and network-operator
C. vdc-admin, vdc-operator, network-admin, and network-operator
D. vdc-admin, vdc-operator, network-admin, and network-operator (for Nexus 7000) and networkadmin and network-operator (for other Nexus switches)
E. admin and read-only
Answer: D
What does the command “IP ARP synchronize” do in a vPC configuration?
A. Synchronizes ARP entries between vPC peers every five minutes
B. Triggers a manual update of ARP entries from the primary peer to the secondary
C. Enables a bulk loading of ARP entries when a vPC peer is restored
D. Uses the peer-keepalive link to maintain ARP table consistency
Answer: C
Nexus# sh ip igmp snooping vlan 120
IGMP Snooping information for vlan 120
IGMP snooping disabled
Optimised Multicast Flood (OMF) disabled
IGMP querier none
Switch-querier enabled, address 1.1.1.1, currently not running
IGMPv3 Explicit tracking enabled
IGMPv2 Fast leave disabled
IGMPv1/v2 Report suppression enabled
IGMPv3 Report suppression disabled
Link Local Groups suppression enabled
Router port detection using PIM Hellos, IGMP Queries
Number of router-ports: 0
Number of groups: 0
Active ports:
Po100 Po111
Which statement best describes what is depicted in the show command output?
A. IGMP snooping is not active for VLAN 120 because the IGMP feature has not been enabled on the switch with the feature igmp command.
B. The IGMP snooping querier for VLAN 120 is not in a running state because the Loopback interface configured with 1.1.1.1/32 is currently in a down state.
C. IGMP snooping has been disabled on the VLAN 120 SVI.
D. IGMP snooping has been disabled for VLAN 120 in VLAN configuration mode.
E. IGMP snooping is not active for VLAN 120 because VLAN 120 does not exist in the VLAN database.
Answer: D
What is the default Time to Live (TTL) valuse in Cisco FabricPath?
A. 128
B. 32
C. 64
D. Dependent on the number of switch IDs in the topology
Answer: B
Assuming the local peer is 10.0.0.1 and the remote peer (configuration not shown) is 10.0.0.2, which of these is used to configure PIM Anycast-RP on a Nexus 7000 switch?
A. feature pim
!
interface loopback1
ip address 10.0.0.1/32
ip router ospf 10 area 0.0.0.0
ip pim sparse-mode
!
interface loopback2
ip address 2.2.2.2/32
ip router ospf 10 area 0.0.0.0
ip pim sparse-mode
!
ip pim anycast-rp 2.2.2.2 10.0.0.1
ip pim anycast-rp 2.2.2.2 10.0.0.2
ip pim rp-address 2.2.2.2 group-list 224.0.0.0/4
B. feature pim
!
Cisco 350-080 Exam
“Pass Any Exam. Any Time.” - www.actualtests.com 26
interface loopback1
ip address 10.0.0.1/32
ip router ospf 10 area 0.0.0.0
ip pim sparse-mode
!
interface loopback2
ip address 2.2.2.2/32
ip router ospf 10 area 0.0.0.0
ip pim sparse-mode
!
ip pim anycast-rp 10.0.0.1 2.2.2.2
ip pim anycast-rp 10.0.0.2 2.2.2.2
ip pim rp-address 2.2.2.2 group-list 224.0.0.0/4
C. interface loopback1
ip address 10.0.0.1/32
ip router ospf 10 area 0.0.0.0
ip pim sparse-mode
!
interface loopback2
ip address 2.2.2.2/32
ip router ospf 10 area 0.0.0.0
ip pim sparse-mode
!
ip pim anycast-rp 2.2.2.2 10.0.0.1
ip pim anycast-rp 2.2.2.2 10.0.0.2
ip pim rp-address 2.2.2.2 group-list 224.0.0.0/4
D. feature pim
feature msdp
!
interface loopback1
ip address 10.0.0.1/32
ip router ospf 10 area 0.0.0.0
ip pim sparse-mode
!
interface loopback2
ip address 2.2.2.2/32
ip router ospf 10 area 0.0.0.0
ip pim sparse-mode
!
ip msdp originator-id loopback1
ip msdp peer 10.0.0.2 connect-source loopback1
ip msdp description 10.0.0.2 To 7010-2
ip msdp password 10.0.0.2 mypassword
!
ip pim rp-address 2.2.2.2 group-list 224.0.0.0/4
Answer: A
When using Overlay Transport Virtualization (OTV), how do L2 multicast frames traverse the
overlay?
A. The L2 multicast frames are encapsulated in an OTV packet using the configured control-group
multicast address for transport
B. The L2 multicast frames are dropped because multicast cannot be carried across the overlay
C. The L2 multicast frames are encapsulated in an OTV packet using the configured data-group
multicast address for transport
D. The L2 multicast frames are forwarded natively across the overlay based on their multicast IDs
Answer: C
Which three statements best describe multicast operation on Cisco Nexus switches in a data
center? (Choose three.)
A. Cisco NX-OS Software does not support PIM dense mode.
B. The command ip multicast-routing must be enabled in Cisco NX-OS Software before any multicast configuration is possible on the switch.
C. PIM CLI configuration and verification commands are not available until you enable the PIM feature with the feature pim command.
D. Cisco NX-OS Software supports multicast routing per Layer 3 VRF instance.
E. The default PIM operational mode on the Cisco Nexus 7000 switch is SSM.
Answer: A,C,D
On a Cisco Nexus 7000 Series Switch, what is the purpose of this command?
switch# config terminal
switch(config)# mac address-table learning-mode conversational vlan 1-10
switch(config)#
A. Enable conversational learning on FabricPath vlans 1-10 for F-Series module
B. Enable FabricPath protocol on VLANs 1–10
C. No need for this command as conversational learning is enabled by default for all VLANs.
D. Enable conversational learning on Classical Ethernet VLAN for F-Series module
Answer: D
Where is a typical request in the Cisco UCS XML API placed in the data management engine,
and, after the request is confirmed, what is updated?
A. The request is placed in the transactor queue in FIFO order and the management information tree is updated.
B. The request is placed in the replicator and persistifier and the store is updated.
C. The request is placed in the data management engine and the application gateway is updated.
D. The request is placed in the buffer queue and the commit buffer queue is updated.
Answer: A
In the Cisco FabricPath domain, one switch becomes the root for the multidestination tree. Cisco FabricPath switches compare which three parameters to select the root? (Choose three.)
A. Root priority
B. System ID
C. Bridge ID
D. Switch ID
E. Port ID
F. Subswitch ID
Answer: A,B,D
By default, what type of SSH server key is generated by Cisco NX-OS Software?
A. DSA key generated with 512 bits
B. RSA key generated with 768 bits
C. RSA key generated with 1024 bits
D. DSA key generated with 1024 bits
E. RSA key generated with 2048 bits
Answer: C
Which statements are true about the subswitch ID that is filled in the header? (Choose three.)
A. FabricPath switches running vPC use this field to identify the specific virtual switch.
B. FabricPath switches running vPC+ use this field to identify the specific vPC+ PortChannel on which traffic is to be forwarded.
C. The subswitch ID field is locally significant to each vPC+ switch pair.
D. The subswitch ID field must be unique within the FabricPath domain.
E. In the absence of vPC+, this field is set to 0.
Answer: B,C,E
In a Cisco Nexus 7000 platform configured with GLBP, which GLBP timer can be tuned to prevent unnecessary GLBP state changes during a switchover or ISSU?
A. GLBP redirect timer
B. GLBP forwarder pre-empt delay minimum timer
C. GLBP hold timer
D. GLBP pre-empt delay minimum timer
E. GLBP extended hold timer
F. GLBP nonstop forwarding timer
Answer: E
vPC+ is configured between which switches?
A. Switch-ID 13 and Switch-ID 23
B. Switch-ID 11 and Switch-ID 12
C. Switch-ID 100 only
D. Switch-ID 13 and Switch-ID 100
Answer: A
SNMPv3 authorizes management operations only by configured users and encrypts SNMP messages. Which authentication protocols does Cisco NX-OS Software use for SNMPv3? (Choose two.)
A. NMAC-SHA-96 authentication protocol
B. HMAC-MD5-96 authentication protocol
C. Community String Match protocol
D. NMAC-MD5-96 authentication protocol
E. HMAC-SHA-96 authentication protocol
Answer: B,E
Overlay Transport Virtualization (OTV) provides an overlay that enables Layer 2 connectivity between separate Layer 2 domains, while keeping these domains independent and preserving the fault isolation, resiliency, and load-balancing benefits of an IP-based interconnection. Which statements are true about OTV Adjacency Server? (Choose two.)
A. Adjacency Server is required when OTV is deployed with unicast-only transport.
B. Adjacency Server is required when OTV is deployed with multicast-enabled transport.
C. Each OTV device wishing to join a specific OTV logical overlay needs to first register with the Adjacency Server.
D. Each OTV device trying to join a specific OTV logical overlay needs to be configured as an Adjacency Server.
Answer: A,C
Which two statements about VACLs on Cisco Nexus 7000 Series Switches are true? (Choose two.)
A. A single VACL can be shared across two or more VDCs.
B. Use of VACLs requires no special license to be installed.
C. VACLs make use of IP or MAC ACLs.
D. Only options drop and forward are permitted.
Answer: B,C
During troubleshooting of Virtual PortChannel (vPC), it is observed that Virtual PortChannel 2 is in a down state. What’s the cause of this issue?
A. Virtual PortChannel is down because LACP is not enabled on the remote switch.
B. Virtual PortChannel is down because of a VLAN mismatch.
C. Virtual PortChannel is down because of an MTU mismatch.
D. Virtual PortChannel is down because of VLAN and MTU mismatch.
Answer: C
Given this FCoE topology, host VFC interface and FC storage are in the same VSAN (VSAN 10). The VSAN is in the allow list for both ISLs. Both ISLs are up at 4 GB.
Which command can be issued on the N5K command line to confirm that SCSI traffic from the host to the storage will flow across both links, as opposed to using only one link?
A. show fspf traffic vsan 10
B. show vsan 10
C. show trunk protocol
D. show fcroute unicast vsan 10
Answer: B
When configuring vPC-HM CDP with multiple links to the same switch, are port-channels required?
A. Each link between the upstream switch and the VEM is an individual subgroup.
B. Connections that go to the same upstream switch must be configured with the command channel-group mode active.
C. Connections that go to the same upstream switch must be configured with the command channel-group mode passive.
D. With vPC-HM CDP, the user can pin traffic from a specific VM to a specific uplink.
E. Connections that go to the same upstream switch must be configured with the command channel-group mode on.
Answer: E
An ESX host is added to a distributed switch but is never seen as a module in VSM. Given below configuration from VSM, what is the cause of this issue? (Choose two.)
VSM# show svs domain
SVS domain config:
Domain iD. 111
Control vlan: 500
Packet vlan: 501
L2/L3 Control modE. L2
L3 control interfacE. NA
Status: Config push to VC successful.
A. Missing VLAN 500 on Switch1 trunk to Switch2
B. Missing VLAN 501 on Switch1 trunk to Switch 2
C. VLAN 500 is not created on Switch2
D. Interface VLAN 500 is missing on Switch1
E. Interface VLAN 501 is missing on Switch1
F. VLAN 111 is missing on all switches
Answer: A,C
An administrator is creating a service profile but receives an error when applying to a blade. The administrator checks the faults tab of the service profile and finds the following error (Refer to the exhibit).
What is the cause of this error?
A. vNIC has a Fibre Channel QoS policy assigned
B. vHBA is assigned to a “best-effort” QoS policy
C. vHBA has no QoS policy assigned
D. vHBA is assigned to an incorrect VSAN
E. vNIC has been assigned to an FCoE VLAN
Answer: B
If uplink 1 fails, to which addresses will Fabric Interconnect B transmit a GARP on Uplink 2?
A. AA and BB only
B. C1 and C2 only
C. A1, B1, AA, and BB
D. AA, BB, C1, and C2
E. No GARPs will be transmitted
Answer: D
All Ethernet ports are trunked with VLANs 2 thru 10. The Cisco UCS domain is in end-host mode.
Host A transmits a single broadcast frame on VLAN 4.
Which statements are true? (Choose two.)
A. Nexus 5548 A and Nexus 5548 B send a copy of the broadcast frame down all six ports to Fabric Interconnect A and Fabric Interconnect B.
B. The deja vu mechanism on the fabric interconnects prevents the fabric interconnects from receiving multiple copies of the broadcast frame.
C. All four vNICs receive a single copy of the broadcast frame.
D. All four vNICs receive multiple copies of the broadcast frame on VLAN 4 but no broadcasts on any other VLAN.
E. The spanning tree process prevents the vNICs from receiving multiple copies of the broadcast frame.
F. The Reverse Path Forwarding mechanism prevents the vNICs from receiving multiple copies of the broadcast frame
Answer: A,C
Fabric Interconnect A, operating in end-host mode, receives an ingress frame with source MAC
address 0025.b500.0035 on uplink Eth1/19.
Which statements are true? (Choose two.)
A. The frame will be accepted. Fabric Interconnect A will update its MAC address table to show that 0025.b500.0035 is dynamically learned on Eth1/19 and no longer dynamically learned on Eth5/1/6.
B. Fabric Interconnect A will transmit a Gratuitous ARP for 0025.b500.0035 since it has moved ports, and the upstream network needs to be notified of the new location.
C. Fabric Interconnect A will drop the frame.
D. The MAC address table will not be updated as a result of receiving this frame on an uplink.
E. Reverse Path Forwarding will determine whether or not this frame is dropped by Fabric Interconnect A.
F. Deja vu will determine whether or not this frame is dropped by Fabric Interconnect A.
Answer: C,D
Your company requires a Cisco UCS configuration that will, at a minimum, allow the configuration
in the provided exhibit. Which Cisco UCS components will meet the requirement? (Choose three.)
A. Cisco UCS 6148, Cisco UCS 6248UP, or the Cisco UCS 6296UP fabric interconnects
B. Cisco UCS 2104XP Fabric Extender
C. Cisco UCS 2204XP or 2208XP Fabric Extenders
D. Cisco UCS M81KR Virtual Interface Card
E. Cisco UCS Virtual Interface Card 1280
F. Cisco UCS Virtual Interface Card 1240 with a port expander
Answer: A,E,F
According to the equipment tab in Cisco UCS Manager, which is true?
A. A is an uplink port, B is a fabric port, C is a server port, D is a backplane port, E is a DCE interface, and F is a vNIC
B. A is an uplink port, B is a server port, C is a fabric port, D is a backplane port, E is a DCE interface, and F is a vNIC
C. A is an uplink port, B is a fabric port, C is a backplane port, D is a server port, E is a CE interface, and F is a vNIC
D. A is an uplink port, B is a server port, C is a fabric port, D is a DCE interface, E is a backplane port, and F is a vNIC
E. A is an fabric port, B is a downlink port, C is an uplink port, D is a server port, E is a VIC interface, and F is a vNIC
Answer: B
The Cisco UCS domain is operating in switching mode. A network administrator notices that no traffic is traversing the uplinks on Fabric Interconnect B (Path C). Which actions might be used to change this behavior?
A. Fix the port channel configuration between Fabric Interconnect B and Nexus 5548 B as the port channel IDs do not match.
B. Modify the bridge priority on the fabric interconnects so that one of the Nexus 5548s will always be the root bridge.
C. Modify the bridge priority on the Nexus 5548s so that one of them will always be the root bridge.
D. Modify the port priorities on the fabric interconnect uplinks (Paths B and C) so that they are a higher priority than ports Eth1/4 and Eth1/9 (Path D).
E. This is an invalid configuration as Cisco UCS fabric interconnects cannot be directly connected.
Answer: C
On which of the interfaces can VLANs be configured or modified within this Cisco UCS domain?
A. VLANs can be configured or modified on all ports.
B. A, D, E, and F. Ports B and C are automatically configured by the fabric interconnect.
C. A, E, and F. Ports B, C, and D are automatically configured by the fabric interconnect.
D. A and F only. No other ports may have their VLAN configurations modified manually.
E. A only. VLANs are configured on uplinks and are automatically available on any other port with
no configuration necessary.
F. F only. VLANs are only modified in the service profile.
Answer: D
Your company would like to deploy this topology design. Which statement applies?
A. The configuration cannot be implemented since all fabric interconnects are members of the same VLANs, and communication will not work properly for the Backup and Mgmt networks.
B. The configuration cannot be implemented because only one disjointed layer 2 network is supporteD. either Backup Net or Mgmt Net, but not both.
C. The Production Network and Backup Net topologies can be implemented.
D. The Production Network and Management Net topologies can be implemented.
E. The topology design can be implemented fully in Cisco UCS version 2.0 or later.
Answer: C
You create a service profile within ORG C with two vNICs. Each vNIC is assigned to the MAC pool named “vmware”. Which two possible MAC addresses could be assigned to the vNICs? (Choose two.)
A. 00:25:B5:FF:00:01
B. 00:25:B5:EE:00:01
C. 00:25:B5:DD:00:01
D. 00:25:B5:BB:00:01
E. 00:25:B5:AA:00:01
Answer: A,D
