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Data Center Specialist Flashcards

1
Q

You are configuring a large number of ports that require the same parameters. What feature is most practical for simplifying the configuration process?

A. Session Manager
B. Port Profiles
C. Port Macros
D Configuration Synchronization

A

You are configuring a large number of ports that require the same parameters. What feature is most practical for simplifying the configuration process?

B. Port Profiles

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2
Q

What characteristics regarding FET transceiver characteristics are true? (choose 3)

A. FET transceivers can be used to connect a Nexus 2000 to a Nexus 5000 chassis, and to connect a Nexus 2000 to a Nexus 7000 chassis.
B. FET transceivers use a copper transport medium to reduce costs associated with cabling and power.
C. FET transceivers are compatible with SR transceivers.
D. Distances of 30m to 100m are supported.
E. FET transceivers can be used between any platforms (Nexus or Catalyst) as long as the specified distance limitations are not exceeded.
F. FET transceivers are only supported on Nexus 22xx models.

A

What characteristics regarding FET transceiver characteristics are true? (choose 3)

A. FET transceivers can be used to connect a Nexus 2000 to a Nexus 5000 chassis, and to connect a Nexus 2000 to a Nexus 7000 chassis.

D. Distances of 30m to 100m are supported.

F. FET transceivers are only supported on Nexus 22xx models.

Cisco FET-10G Fabric Extender Transceiver support link lengths up to 100m on laser-optimized OM3 or OM4 multimode fiber. It is supported on fabric links only from a Nexus 22xx to a Cisco parent switch.

http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps10110/data_sheet_c78-507093.html

B. FET transceivers use a copper transport medium to reduce costs associated with cabling and power. > No, multimode fiber optic cable used.
C. FET transceivers are compatible with SR transceivers. > No, must be connected to another FET.
E. FET transceivers can be used between any platforms (Nexus or Catalyst) as long as the specified distance limitations are not exceeded. > No, only from N2k to parent switch.

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3
Q

A customer is working with a service provider when planning to deploy OTV between two data centers. The customer does not know how the service providers network is configured. What should the customer do to optimize the new OTV solution?

A. The customer doesn’t need to do anything, OTV works transparently over service provider networks.
B. Reduce the MTU on the OTV VLANs to 1,458 to accommodate for the additional 42 bytes of overhead.
C. Increase the MTU on the Join interface(s) to enable jumbo frames.
D. Reduce the MTU on the OTV VLANs to 1,436 to accommodate for the additional 64 bytes of overhead.

A

A customer is working with a service provider when planning to deploy OTV between two data centers. The customer does not know how the service providers network is configured. What should the customer do to optimize the new OTV solution?

B. Reduce the MTU on the OTV VLANs to 1,458 to accommodate for the additional 42 bytes of overhead. > 14-byte Ethernet header, 20-byte IP header, and 8-byte OTV shim.

OTV verification - show Mac-address-table should show remote endpoints.
The OTV uplink physical interface just has IP address, routing protocol enabled, and IGMP configured. The overlay interface has the config, plus extended VLANs may require MTU lowered 42 bytes for OTV overhead.
Site VLAN is for local communication between OTV edge devices.
Need PIM enabled on interface? No, only IGMP.

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4
Q

When configuring OTV on the Nexus 7000, PIM should be enabled on the “join interface” on the OTV edge device.

A. TRUE
B. FALSE

A

When configuring OTV on the Nexus 7000, PIM should be enabled on the “join interface” on the OTV edge device.

B. FALSE > The OTV edge device acts as a muliticast endpoint, so should have IGMP configured, but not PIM.

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5
Q

What protocol is not supported on the Nexus 2000 models that support protocol offload?

A. LaCP
B. CDP
C. IGMP
D. LLDP
E. DCBX
A

What protocol is not supported on the Nexus 2000 models that support protocol offload?

C. IGMP

Offload is supported with LACP, CDP, LLDP, and DCBX.

http://www.cisco.com/en/US/docs/switches/datacenter/nexus2000/sw/configuration/guide/Cisco_Nexus_2000_Series_Fabric_Extender_Software_Configuration_Guide_Release_4_2_chapter2.html#con_1046083

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6
Q

Nexus 5000 expansion modules are interchangeable between the Nexus 50xx and 55xx platforms to provide investment protection.

A. TRUE
B. FALSE

A

Nexus 5000 expansion modules are interchangeable between the Nexus 50xx and 55xx platforms to provide investment protection.

B. FALSE > 55xx use Generic Expansion Module (GEM) 2 which do not work in 5010/5020.

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7
Q

What type of network adapter is required to enable FCoE on an end host (IE: Server)?

A. 10 G Ethernet
B. 1G Ethernet
C. 1 Gigabit CNA
D. 10 Gigabit CNA
E. HBA
A

What type of network adapter is required to enable FCoE on an end host (IE: Server)?

D. 10 Gigabit CNA

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8
Q

What protocol is used to exchange FCoE/QoS configuration information between an FCoE enabled Nexus and an end host (IE: Server)?

A. CDPv1
B. CDPv2
C. LLDP
D. VTP
E. 802.1Q
A

What protocol is used to exchange FCoE/QoS configuration information between an FCoE enabled Nexus and an end host (IE: Server)?

C. LLDP - link layer distribution protocol is used by data center exchange protocol (DCBX)

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9
Q

Which of the following platforms support FCoE at FCS (First Commercial Shipment)?

A. Nexus 2148T
B. Nexus 4001
C. Nexus 5010
D. Nexus 5020
E. Nexus 7010
F. Nexus 7018
A

Which of the following platforms support FCoE at FCS (First Commercial Shipment)?

B. Nexus 4001

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10
Q

Enabling fibre channel features on a Nexus 5000 requires an additional license to be installed per chassis.

A. TRUE
B. FALSE

A

Enabling fibre channel features on a Nexus 5000 requires an additional license to be installed per chassis.

A. TRUE > requires the Storage Protocol Services license

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11
Q

What type of switching is performed in the Nexus 4001?

A. Cut-Through
B. Store-and-Forward
C. Hybrid

A

What type of switching is performed in the Nexus 4001?

A. Cut-Through

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12
Q

The Nexus product line is a direct replacement for the Catalyst product line.

A. TRUE
B. FALSE

A

The Nexus product line is a direct replacement for the Catalyst product line.

B. FALSE

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13
Q

How long can a system or fabric fan tray be removed from a Nexus 7000 chassis before the system shuts down?

A. 120 Seconds
B. 180 Seconds
C. 300 Seconds
D. The system will continue to operate as long the temperature is within an acceptable operating range

A

How long can a system or fabric fan tray be removed from a Nexus 7000 chassis before the system shuts down?

B. 180 Seconds

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14
Q

The expansion slot(s) on the Nexus 5010 and 5020 chassis support OIR.

A. TRUE
B. FALSE

A

The expansion slot(s) on the Nexus 5010 and 5020 chassis support OIR.

A. TRUE

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15
Q

What is the default power redundancy mode for a Nexus 7000 chassis?

A. Combined
B. Power Supply Redundancy (N+1)
C. Power Supply and Input Source Redundancy (Full Redundancy)
D. Input Source Redundancy (GRID)
E. No Redundancy
A

What is the default power redundancy mode for a Nexus 7000 chassis?

C. Power Supply and Input Source Redundancy (Full Redundancy) > System default redundancy mode; guards against failure of either one power supply or one AC grid, and power available is the minimum power from the input source and power supply redundancy.

http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps9402/ps9512/Data_Sheet_C78-437761_ps9402_Products_Data_Sheet.html

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16
Q

The Nexus 7000 supports ISSU, which enables a software upgrade without disrupting the data forwarding plane (0 packet loss).

A. TRUE
B. FALSE

A

The Nexus 7000 supports ISSU, which enables a software upgrade without disrupting the data forwarding plane (0 packet loss).

A. TRUE

http://www.cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx-os/high_availability/configuration/guide/ha_issu.html

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17
Q

What is the maximum number of ports on the Nexus 2148T or 2248TP that can be configured for network (fabric) connectivity?

A. 1
B. 2
C. 4
D. 48

A

What is the maximum number of ports on the Nexus 2148T or 2248TP that can be configured for network (fabric) connectivity?

C. 4 > uplinks

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18
Q

What is the maximum number of Nexus 4001 switches that can be installed in a server chassis?

A. 1
B. 2
C. 4
D. 6
E. 8
A

What is the maximum number of Nexus 4001 switches that can be installed in a server chassis?

C. 4 > switches in a chassis

http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps10596/ps10642/data_sheet_c78-560881_ps10596_Products_Data_Sheet.html

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19
Q

What is the PPS performance for the first generation forwarding engine (M1) in the Nexus 7000 Ethernet modules for IPv4 and IPv6? (Answer Format = IPv4 / IPv6)

A. 48 Mpps / 24 Mpps
B. 60 Mpps / 30 Mpps
C. 60 Mpps / 60 Mpps
D. 120 Mpps / 60 Mpps

A

What is the PPS performance for the first generation forwarding engine (M1) in the Nexus 7000 Ethernet modules for IPv4 and IPv6? (Answer Format = IPv4 / IPv6)

B. 60 Mpps / 30 Mpps

*D. 120 Mpps of L2 or IPv4 unicast forwarding / 60 Mpps IPv6 unicast forwarding with dual M1-XL forwarding engines

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20
Q

What optic type is supported in the Nexus 7000 32 port 10GE module (N7K-M132XP-12)?

A. X2
B. SFP
C. XFP
D. SFP+
E. XENPAK
A

What optic type is supported in the Nexus 7000 32 port 10GE module (N7K-M132XP-12)?

D. SFP+

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21
Q

How many Nexus 2000’s (FEX) can be connected to a pair of Nexus 5010 or 5020 chassis using vPC?

A. 12
B. 24
C. 20
D. 40

A

How many Nexus 2000’s (FEX) can be connected to a pair of Nexus 5010 or 5020 chassis using vPC?

A. 12

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22
Q

The NX-OS uses interface CLI commands to assign IP networks to an IGP routing instance.

A. TRUE
B. FALSE

A

The NX-OS uses interface CLI commands to assign IP networks to an IGP routing instance.

A. TRUE

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23
Q

How many VRF instances are supported per Nexus 7000 VDC?

A. 100
B. 200
C. 800
D. 8192

A

How many VRF instances are supported per Nexus 7000 VDC?

B. 200 > 5.2 supports 1000 VRFs

http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CCEQFjAA&url=http%3A%2F%2Fwww.cisco.com%2Fen%2FUS%2Fdocs%2Fswitches%2Fdatacenter%2Fsw%2Fverified_scalability%2Fb_Cisco_Nexus_7000_Series_NXOS_Verified_Scalability_Guide.pdf&ei=o9OWULmQAYbI9gTOhICQAw&usg=AFQjCNH_cvuhh7dQy1ehvqHPUp8VKuIqMg

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24
Q

How many OSPF processes are supported per VDC?

A. 1
B. 4
C. 8
D. 16
E. 32
A

How many OSPF processes are supported per VDC?

D. 16 processes per VDC supported with 6.1, but also 16 processes per system. 4 processes per VDC prior to 6.1, with 16 processes per system.

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25
What Spanning-Tree Protocols (STPs) are configurable on the Nexus 7000/5000/4000 platforms? A. 802.1d B. MST C. PVST D. Rapid-PVST+
What Spanning-Tree Protocols (STPs) are configurable on the Nexus 7000/5000/4000 platforms? B. MST D. Rapid-PVST+
26
The Nexus vPC feature was designed to use the same unified control plane technology/concepts as the Catalyst 6500 VSS to achieve Multi-Chassis Etherchannel functionality. A. TRUE B. FALSE
The Nexus vPC feature was designed to use the same unified control plane technology/concepts as the Catalyst 6500 VSS to achieve Multi-Chassis Etherchannel functionality. B. FALSE
27
What is the maximum number of Ethernet interfaces that can be bundled in a static mode or LaCP port-channel on the Nexus 5000 or 5500 chassis? A. 4 B. 8 C. 16 D. 32
What is the maximum number of Ethernet interfaces that can be bundled in a static mode or LaCP port-channel on the Nexus 5000 or 5500 chassis? C. 16
28
Different versions of NX-OS software can run in different VDC's for maximum scalability and flexibility. A. TRUE B. FALSE
Different versions of NX-OS software can run in different VDC's for maximum scalability and flexibility. B. FALSE
29
What is the default global and interface QoS interface behavior on a Nexus/7000/5000/4000 platform related to a packets incoming DSCP/CoS values? A. Remark DSCP/CoS values to 0 (Untrusted) B. Leave existing DSCP/CoS values (Trusted) C. QoS is enabled by default D. QoS is disabled by default (It needs to be enabled globally first)
What is the default global and interface QoS interface behavior on a Nexus/7000/5000/4000 platform related to a packets incoming DSCP/CoS values? B. Leave existing DSCP/CoS values (Trusted) C. QoS is enabled by default
30
The NX-OS was created using which of the following operating system as its foundation? ``` A. IOS B. IOS-XR C. IOS-XE D. SAN-OS E. It was developed as a completely new operating system. ```
The NX-OS was created using which of the following operating system as its foundation? D. SAN-OS
31
What features are configurable using the Session Manager on the Nexus 7000? A. RBAC B. QoS C. SNMP D. ACLs
What features are configurable using the Session Manager on the Nexus 7000? B. QoS D. ACLs http://www.cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx-os/system_management/configuration/guide/sm_7sessionmgr.html
32
Which features are included in the NX-OS for virtualization at FCS? ``` A. VDC B. Multi-VRF C. MPLS D. 802.1Q E. vPC F. VTP G. OTV ```
Which features are included in the NX-OS for virtualization at FCS? A. VDC B. Multi-VRF D. 802.1Q E. vPC F. VTP *MPLS and OTV were not in FCS.
33
If an administrator can't find the CLI configuration or show commands for a particular feature that the NX-OS supports, he or she is looking for, the issue is most likely related to. A The proper license is not installed or the grace period is not enabled. B. The NX-OS does not support that feature. C. The particular feature is not enabled with the global feature configuration command. D. The wrong NX-OS feature set (image file) is installed.
If an administrator can't find the CLI configuration or show commands for a particular feature that the NX-OS supports, he or she is looking for, the issue is most likely related to. A The proper license is not installed or the grace period is not enabled. C. The particular feature is not enabled with the global feature configuration command.
34
The NX-OS software was developed specifically for data centers and only contains features typically deployed in data center environments to increase network availability for mission critical environments. A. TRUE B. FALSE
The NX-OS software was developed specifically for data centers and only contains features typically deployed in data center environments to increase network availability for mission critical environments. A. TRUE
35
What happens if OSPF is operational and an administrator executes the "no feature ospf" configuration command? A. The ospf feature is disabled and all associated ospf commands are removed from the running-config. B. The user is prompted to continue. C. The system doesn't allow this, since OSPF is in use. D. All OSPF commands are removed from the running-config if there aren't any neighbor adjacencies. If there are adjacencies the action is not allowed.
What happens if OSPF is operational and an administrator executes the "no feature ospf" configuration command? A. The ospf feature is disabled and all associated ospf commands are removed from the running-config.
36
What two actions force a supervisor switchover in systems where two supervisors are present? A. n7000(config)# system switchover B. Pushing the reset button on the active supervisor C. n7000# redundancy force-switchover D. n7000# system switchover E. n7000(config)# redundancy force-switchover
What two actions force a supervisor switchover in systems where two supervisors are present? A. n7000(config)# system switchover D. n7000# system switchover http://www.cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx-os/high_availability/configuration/guide/ha_system.html#wp1076518
37
The Locator LED feature (blue beacon lights) for identifying hardware components are persistent after a system reload and will continue to blink when the chassis comes back online. A. TRUE B. FALSE
The Locator LED feature (blue beacon lights) for identifying hardware components are persistent after a system reload and will continue to blink when the chassis comes back online. A. TRUE
38
The CMP port can be used for password recovery. A. TRUE B. FALSE
The CMP port can be used for password recovery. B. FALSE > the CMP can reset all system components, including power supplies. "attach cp" Takes control of the local supervisor module CP console port. http: //www.cisco.com/en/US/docs/switches/datacenter/sw/password_recovery/nx_os_pw.html http: //www.cisco.com/en/US/docs/switches/datacenter/hw/nexus7000/cmp/configuration/guide/n7cmp_using.html http://www.cisco.com/en/US/docs/switches/datacenter/hw/nexus7000/cmp/configuration/guide/n7cmp_overview.html
39
What feature should be used on a Nexus platform to troubleshoot traffic going to and from the control plane? ``` A. SPAN B. OBFL C. SNMP D. Ethanalyzer E. GOLD ```
What feature should be used on a Nexus platform to troubleshoot traffic going to and from the control plane? D. Ethanalyzer
40
What types of Access-Lists (ACLs) are supported in the NX-OS? (Choose 4) ``` A. Standard ACL B. Extended ACL C. Port ACL (PACL) D. Reflexive E. Recieve F. Context-Based ACL (CBAC) G. VLAN ACL (VACL) H. MAC ACL (MACL) ```
What types of Access-Lists (ACLs) are supported in the NX-OS? (Choose 4) B. Extended ACL C. Port ACL (PACL) G. VLAN ACL (VACL) H. MAC ACL (MACL) - applied as PACL or VACL (not L3 SVI supported as RACL) http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_1/nx-os/security/configuration/guide/sec_ipacls.html#wp1582968 Order of ACL Application When the device processes a packet, it determines the forwarding path of the packet. The path determines which ACLs that the device applies to the traffic. The device applies the ACLs in the following order: 1. Port ACL 2. Ingress VACL 3. Ingress router ACL 4. SGACL 5. Egress router ACL 6. Egress VACL
41
Traffic Storm Control can be configured per interface on the Nexus 7000, 5000 and 4000's to suppress what types of traffic? (Choose 3) ``` A. Broadcast Packets B. Unknown Unicast Packets C. Unicast Packets D. Multicast Packets E. All traffic destined to the CPU control plane. ```
Traffic Storm Control can be configured per interface on the Nexus 7000, 5000 and 4000's to suppress what types of traffic? (Choose 3) A. Broadcast Packets C. Unicast Packets D. Multicast Packets
42
If a user is assigned to the following role, can that user execute the show interface command? n7000(config)# role name test n7000(config-role)# rule 1 permit command show interface * n7000(config-role)# rule 2 permit command show running-config n7000(config-role)# rule 3 permit read-write feature router-ospf n7000(config-role)# rule 4 deny command show *" A. YES B. NO
If a user is assigned to the following role, can that user execute the show interface command? n7000(config)# role name test n7000(config-role)# rule 1 permit command show interface * n7000(config-role)# rule 2 permit command show running-config n7000(config-role)# rule 3 permit read-write feature router-ospf n7000(config-role)# rule 4 deny command show *" B. NO > role rules are processed in descending order: 4 > 3 > 2 > 1, so the deny command is valid first. Roles are configured, then tied to user accounts. No "commit" required.
43
The Nexus 7000, 5000, and 4000 support Private VLANs? A. TRUE B. FALSE
The Nexus 7000, 5000, and 4000 support Private VLANs? A. TRUE
44
The Nexus 2000 (FEX) is a separate managed entity. (Separate configuration and management IP address) A. TRUE B. FALSE
The Nexus 2000 (FEX) is a separate managed entity. (Separate configuration and management IP address) B. FALSE > FEX are remote modules managed by the parent n7k/n5k
45
What 10GBase-CU and 10GBase-ACU SFP+ (Twinax) transceiver cable lengths are supported on the Nexus 5000/2000 platforms? (Choose 5) ``` A. 1 Meter B. 2 Meter C. 3 Meter D. 5 Meter E. 7 Meter F. 10 Meter G. 15 Meter H. 20 Meter ```
What 10GBase-CU and 10GBase-ACU SFP+ (Twinax) transceiver cable lengths are supported on the Nexus 5000/2000 platforms? (Choose 5) A. 1 Meter C. 3 Meter D. 5 Meter E. 7 Meter F. 10 Meter http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps10110/data_sheet_c78-568589_ps9670_Products_Data_Sheet.html
46
What is the recommended configuration for connecting servers with an active and standby NIC to two different Nexus 2000 (FEX) chassis when deterministic over-subscription behavior is desired? A. Connect the server to each FEX and configure static-pinning between the FEX and its upstream Nexus 5000 chassis. B. Connect the server to each FEX and configure port-channels between the FEX and its upstream Nexus 5000 chassis. C. Connect the server to each FEX and configure virtual port-channels between the FEX and both upstream Nexus 5000 chassis.
What is the recommended configuration for connecting servers with an active and standby NIC to two different Nexus 2000 (FEX) chassis when deterministic over-subscription behavior is desired? B. Connect the server to each FEX and configure port-channels between the FEX and its upstream Nexus 5000 chassis. http://www.cisco.com/en/US/docs/switches/datacenter/nexus2000/sw/configuration/guide/rel_4_1/Cisco_Nexus_2000_Series_Fabric_Extender_Software_Configuration_Guide_chapter2.html#con_1200265
47
What STP parameters are enabled on a Nexus 2000 (FEX) host ports by default? (Choose 2) ``` A. Root-Guard B. BPDU-Guard C. Loop-Guard D. Port-Type = Edge E. Port-Type = Normal F. Port-Type = Network ```
What STP parameters are enabled on a Nexus 2000 (FEX) host ports by default? (Choose 2) B. BPDU-Guard D. Port-Type = Edge
48
Which configuration is correct for configuring an NX-OS interface for PIM sparse mode? A. feature pim interface TenGigabitEthernet 1/1 ip address 192.168.10.1 255.255.255.0 ip pim sparse-mode B. feature pim interface Ethernet1/1 ip address 192.168.10.1 255.255.255.0 ip pim sparse-mode ``` C. feature pim ip multicast-routing interface Ethernet1/1 ip address 192.168.10.1 255.255.255.0 ip pim sparse-mode ``` D. ip multicast-routing interface Ethernet1/1 ip address 192.168.10.1 255.255.255.0 ip pim sparse-mode
Which configuration is correct for configuring an NX-OS interface for PIM sparse mode? B. feature pim interface Ethernet1/1 ip address 192.168.10.1 255.255.255.0 ip pim sparse-mode
49
What CLI commands are required to configure a Nexus 7000 to transmit and receive Auto-RP messages when configuring a network for multicast? ``` A. interface Etherent 1/1 ip pim sparse-mode B. interface Ethernet 1/1 ip pim sparse-mode ip pim rp announce listen C. ip pim auto-rp forward D. ip pim auto-rp forward listen ```
What CLI commands are required to configure a Nexus 7000 to transmit and receive Auto-RP messages when configuring a network for multicast? D. ip pim auto-rp forward listen
50
What is the most practical Nexus 2000 model that should be deployed with a Nexus 7000 to connect 20 servers per rack that each have one 1Gbps NIC? ``` A. Nexus 2148T B. Nexus 2224TP C. Nexus 2232PP D. Nexus 2248TP E. None - Nexus 2000's are not supported with the Nexus 7000. ```
What is the most practical Nexus 2000 model that should be deployed with a Nexus 7000 to connect 20 servers per rack that each have one 1Gbps NIC? D. Nexus 2248TP
51
When designing a network for OTV, an SVI for an OTV VLAN can be configured on the same device to provide layer-3 connectivity for the VLAN. A. It doesn't matter - OTV doesn't have any layer-3 connectivity limitations. B. False - An SVI for an OTV VLAN can never be configured on same device regardless of the VDC configuration. C. True - Only if the SVI is in the same VDC. D. True - Only if the SVI is in a different VDC.
When designing a network for OTV, an SVI for an OTV VLAN can be configured on the same device to provide layer-3 connectivity for the VLAN. D. True - Only if the SVI is in a different VDC.
52
Which component cannot be replaced without having to re-license a Nexus 7000? ``` A. Linecard Module B. Power Supply C. Fabric Module D. Fan Tray E. Chassis F. Supervisor Module ```
Which component cannot be replaced without having to re-license a Nexus 7000? E. Chassis
53
The NX-OS runs on which of the following Cisco platforms? (choose 5) ``` A. Nexus 7000 B. Nexus 5000 C. CRS-1 D. Nexus 4000 E. MDS 9500 F. MDS 9100 G. ASR 9000 H. ACE ```
The NX-OS runs on which of the following Cisco platforms? (choose 5) A. Nexus 7000 B. Nexus 5000 D. Nexus 4000 E. MDS 9500 F. MDS 9100
54
How many configuration checkpoints can be created on a Nexus 7000 per VDC when using the checkpoint name command? A. 10 B. 40 C. It depends on how much flash memory is available. D. It depends on how much NVRAM memory is available.
How many configuration checkpoints can be created on a Nexus 7000 per VDC when using the checkpoint name command? A. 10
55
What features require the LAN-Enterprise License? (choose 5) ``` A. BGP B. OSPF C. Static Routing D. GRE E. PBR F. RIPv2 G. PIM H. VDC ```
What features require the LAN-Enterprise License? (choose 5) A. BGP B. OSPF D. GRE E. PBR G. PIM H. VDC - No. Advanced LAN license covers VDC and Cisco TrustSec
56
How many physical fibre channel ports are supported on the Nexus 4001 chassis? A. None B. 2 C. 4 D. 6
How many physical fibre channel ports are supported on the Nexus 4001 chassis? A. None
57
I/O consolidation provides the biggest benefit in which part of the data center network? A. Access-Layer B. Core-Layer C. Distribution-Layer
I/O consolidation provides the biggest benefit in which part of the data center network? A. Access-Layer
58
What is the recommend configuration for connecting servers with two active NICs when connecting to a pair of 2148T FEX and a pair of Nexus 5000 chassis? A. Connect the server to a pair of FEX's and configure a port-channel between the server and the FEX's. Configure static-pinning between each FEX and its upstream Nexus 5000 chassis. B. Connect the server to a pair of FEX's and configure a virtual port-channel between the server and the pair of FEX's. Each FEX can connect to its upstream Nexus 5000 chassis using static-pinning or port-channels. C. Connect the server to a single FEX using a port-channel. D. Connect the server to a pair of FEX's and configure port-channels between the FEX and its upstream Nexus 5000 chassis. E. Connect the server to a pair FEX's and configure a virtual port-channel between the server and the FEX's. Configure a virtual port-channel between the FEX's and the upstream pair of Nexus 5000 chassis.
What is the recommend configuration for connecting servers with two active NICs when connecting to a pair of 2148T FEX and a pair of Nexus 5000 chassis? B. Connect the server to a pair of FEX's and configure a virtual port-channel between the server and the pair of FEX's. Each FEX can connect to its upstream Nexus 5000 chassis using static-pinning or port-channels.
59
How many SPAN sessions can be active at the same time on a Nexus 7000 chassis? A. 2 B. 8 C. 18 D. 32
How many SPAN sessions can be active at the same time on a Nexus 7000 chassis? A. 2 > 18 configurable with 2 active
60
The NX-OS supports all the same SNMP MIBs as the Cisco IOS? A. TRUE B. FALSE
The NX-OS supports all the same SNMP MIBs as the Cisco IOS? B. FALSE
61
The Nexus 2000 (FEX) supports local switching (host port to host port)? A. TRUE B. FALSE
The Nexus 2000 (FEX) supports local switching (host port to host port)? B. FALSE > all traffic is switched at the parent switch
62
The fixed Ethernet ports in the Nexus 5010 and 5020 chassis support auto speed and duplex negotiations by default. A. TRUE B. FALSE
The fixed Ethernet ports in the Nexus 5010 and 5020 chassis support auto speed and duplex negotiations by default. B. FALSE
63
A Nexus 2000 (FEX) can connect to how many Nexus 5000 or 5500 chassis? A. 1 B. 2 C. 4 D. 8
A Nexus 2000 (FEX) can connect to how many Nexus 5000 or 5500 chassis? B. 2
64
Which multicast protocols are supported on the Nexus 7000? (Choose 4) ``` A. IGMP v1 B. IGMP v2 C. IGMP v3 Lite D. IGMP v3 E. PIM v1 F. PIM v2 G. DVMRP H. MSDP ```
Which multicast protocols are supported on the Nexus 7000? (Choose 4) B. IGMP v2 D. IGMP v3 F. PIM v2 H. MSDP
65
A vPC keep keepalive link can be configured on the vPC peer link and is recommended, as long as the vPC peer link is configured as a port-channel. A. TRUE B. FALSE
A vPC keep keepalive link can be configured on the vPC peer link and is recommended, as long as the vPC peer link is configured as a port-channel. B. FALSE > Never configure the VPC peer keepalive across the VPC peer link because if it drops it will not come back up.
66
``` How many ACL entries are theoretically possible on a XL enabled and non-XL Ethernet module on the Nexus 7000? (Choose 2) ``` ``` A. 16K B. 32K C. 64K D. 128K E. 256K F. 512K ```
``` How many ACL entries are theoretically possible on a XL enabled and non-XL Ethernet module on the Nexus 7000? (Choose 2) ``` C. 64K - non-XL (EOL) D. 128K - XL http://www.cisco.com/en/US/docs/switches/datacenter/sw/best_practices/cli_mgmt_guide/hw_resources.html#wp1053632
67
When an extended access-list (ACL) is applied to an interface in the outbound direction with the "ip access-group acl-name out" command, all traffic originating from the router is subject to ACL verification by default. A. TRUE B. FALSE
When an extended access-list (ACL) is applied to an interface in the outbound direction with the "ip access-group acl-name out" command, all traffic originating from the router is subject to ACL verification by default. A. TRUE
68
Data center network manager (DCNM) discovery works via GUI, and only NXOS devices are identified from seed device IP address via CDP. A. TRUE B. FALSE
Data center network manager (DCNM) discovery works via GUI, and only NXOS devices are identified from seed device IP address via CDP. A. TRUE - seed device must be accessible from DCNM via authenticated credentials and telnet/SSH. DCNM license installed via GUI after the license file is saved in the server DCM directory, from DCM control panel GUI, reload license files.
69
To restart a VDC in a failed state due to high availability failure, use "reload VDC NAME." A. TRUE B. FALSE
To restart a VDC in a failed state due to high availability failure, use VDC NAME restart. A. TRUE - "VDC NAME restart" command was replaced by reload VDC NAME in 4.2.4. http://www.cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx-os/virtual_device_context/command/reference/vdc_commands.html#wp1039902
70
This is aRACL. ip access list BOB permit x.x.x.x/24 interface e1/1 ip access-group BOB in A. TRUE B. FALSE
This is a port ACL. ip access list BOB permit x.x.x.x/24 interface e1/1 ip access-group BOB in A. TRUE - "ip access-group" implies it's an IP ACL applied as a Routing ACL (RACL). An IP ACL applied as a PACL: ip port access-group BOB in http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_1/nx-os/security/configuration/guide/sec_ipacls.html#wp1582968
71
Input source redundancy (grid redundancy) guards against failure of 1 power supply. A. TRUE B. FALSE
Input source redundancy (grid redundancy) guards against failure of 1 power supply. B. FALSE Input source redundancy (grid redundancy) guards against failure of 1 input circuit. Power supply and input source redundancy (full redundancy, which is system default) guards against failure of 1 power supply or 1 grid.
72
Each VDC has a dedicated IP address for its mgmt0 port which is a L3 interface (not a L2 trunk interface) so IP addresses defined for each VDC belongs to same IP subnet. A. TRUE B. FALSE
Each VDC has a dedicated IP address for its mgmt0 port which is a L3 interface (not a L2 trunk interface) so IP addresses defined for each VDC belongs to same IP subnet. A. TRUE The same physical Mgmt0 port is shared across all VDC in the system. A virtual instance of the interface is created per VDC instance. Each VDC has a dedicated IP address for its mgmt0 port which is a L3 interface (not a L2 trunk interface) so IP addresses defined for each VDC belongs to same IP subnet.

Data Center Specialist (2 decks)

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