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CCNP Encor (making) > Part 8 > Flashcards

Part 8 Flashcards

1
Q

What is used to perform QoS packet classification?

A. the Type field in the Layer 2 frame

B. the Options field in the Layer 3 header

C. the TOS field in the Layer 3 header

D. the Flags field in the Layer 3 header

A

C. the TOS field in the Layer 3 header

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2
Q

How do cloud deployments differ from on-premises deployments?

A. Cloud deployments require longer implementation times than on-premises deployments.

B. Cloud deployments are more customizable than on-premises deployments.

C. Cloud deployments have lower upfront costs than on-premises deployments.

D. Cloud deployments require less frequent upgrades than on-premises deployments.

A

C. Cloud deployments have lower upfront costs than on-premises deployments.

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3
Q

Which controller is capable of acting as a STUN server during the onboarding process of Edge devices?

A. vBond

B. vSmart

C. vManage

D. PNP Server

A

A. vBond

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4
Q

How is 802.11 traffic handled in a fabric-enabled SSID?

A. centrally switched back to WLC where the user traffic is mapped to a VXLAN on the WLC

B. converted by the AP into 802.3 and encapsulated into VXLAN

C. centrally switched back to WLC where the user traffic is mapped to a VLAN on the WLC

D. converted by the AP into 802.3 and encapsulated into a VLAN

A

B. converted by the AP into 802.3 and encapsulated into VXLAN

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5
Q

Which element enables communication between guest VMs within a virtualized environment?

A. hypervisor

B. virtual router

C. vSwitch

D. pNIC

A

C. vSwitch

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6
Q

Which action is performed by Link Management Protocol in a Cisco StackWise Virtual domain?

A. It determines which switch becomes active or standby.

B. It determines if the hardware is compatible to form the StackWise Virtual domain.

C. It rejects any unidirectional link traffic forwarding.

D. It discovers the StackWise domain and brings up SVL interfaces.

A

C. It rejects any unidirectional link traffic forwarding.

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7
Q

What are two reasons why broadcast radiation is caused in the virtual machine environment? (Choose two.)

A. vSwitch must interrupt the server CPU to process the broadcast packet.

B. The Layer 2 domain can be large in virtual machine environments.

C. Virtual machines communicate primarily through broadcast mode.

D. Communication between vSwitch and network switch is broadcast based. E. Communication between vSwitch and network switch is multicast based.

A

A. vSwitch must interrupt the server CPU to process the broadcast packet.

D. Communication between vSwitch and network switch is broadcast based

. Reference: https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/net_implementation_white_paper0900aecd806a9c05.html

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8
Q

Which two GRE features are configured to prevent fragmentation? (Choose two.)

A. TCP window size

B. IP MTU

C. TCP MSS

D. DF bit clear

E. MTU ignore

A

B. IP MTU

C. TCP MSS

Reference: https://www.cisco.com/c/en/us/support/docs/ip/generic-routing-encapsulation-gre/25885-pmtud-ipfrag.html

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9
Q

Which LISP device is responsible for publishing EID-to-RLOC mappings for a site?

A. ETR

B. MR

C. ITR

D. MS

A

A. ETR

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10
Q

What are two benefits of virtualizing the server with the use of VMs in a data center environment? (Choose two.)

A. reduced rack space, power, and cooling requirements

B. smaller Layer 2 domain

C. increased security

D. speedy deployment E. reduced IP and MAC address requirements

A

A. reduced rack space, power, and cooling requirements

D. speedy deployment

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11
Q

Which LISP infrastructure device provides connectivity between non-LISP sites and LISP sites by receiving non-LISP traffic with a LISP site destination?

A. PITR

B. map resolver

C. map server

D. PETR

A

A. PITR Reference: https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Data_Center/DCI/5-0/LISPmobility/DCI_LISP_Host_Mobility/LISPmobile_2.html

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12
Q

Which statement explains why Type 1 hypervisor is considered more efficient than Type2 hypervisor?

A. Type 1 hypervisor is the only type of hypervisor that supports hardware acceleration techniques.

B. Type 1 hypervisor relies on the existing OS of the host machine to access CPU, memory, storage, and network resources.

C. Type 1 hypervisor runs directly on the physical hardware of the host machine without relying on the underlying OS.

D. Type 1 hypervisor enables other operating systems to run on it.

A

C. Type 1 hypervisor runs directly on the physical hardware of the host machine without relying on the underlying OS.

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13
Q

Which statement about VXLAN is true?

A. VXLAN encapsulates a Layer 2 frame in an IP-UDP header, which allows Layer 2 adjacency across router boundaries.

B. VXLAN uses the Spanning Tree Protocol for loop prevention.

C. VXLAN extends the Layer 2 Segment ID field to 24-bits, which allows up to 4094 unique Layer 2 segments over the same network.

D. VXLAN uses TCP as the transport protocol over the physical data center network.

A

A. VXLAN encapsulates a Layer 2 frame in an IP-UDP header, which allows Layer 2 adjacency across router boundaries.

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14
Q

Which TCP setting is tuned to minimize the risk of fragmentation on a GRE/IP tunnel?

A. MSS

B. MTU

C. MRU

D. window size

A

A. MSS

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15
Q

Which statement describes the IP and MAC allocation requirements for virtual machines on Type 1 hypervisors?

A. Virtual machines do not require a unique IP or unique MAC. They share the IP and MAC address of the physical server.

B. Each virtual machine requires a unique IP address but shares the MAC address with the physical server.

C. Each virtual machine requires a unique IP and MAC addresses to be able to reach to other nodes.

D. Each virtual machine requires a unique MAC address but shares the IP address with the physical server.

A

C. Each virtual machine requires a unique IP and MAC addresses to be able to reach to other nodes.

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16
Q

Which two namespaces does the LISP network architecture and protocol use? (Choose two.)

A. TLOC

B. RLOC

C. DNS

D. VTEP

E. EID

A

B. RLOC

E. EID

Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_lisp/configuration/xe-3s/irl-xe-3s-book/irl-overview.html

17
Q

Which two entities are Type 1 hypervisors? (Choose two.)

A. Oracle VM VirtualBox

B. Microsoft Hyper-V

C. VMware server

D. VMware ESXi E. Microsoft Virtual PC

A

B. Microsoft Hyper-V

D. VMware ESXi

Reference: https://phoenixnap.com/kb/what-is-hypervisor-type-1-2

18
Q

Which action is a function of VTEP in VXLAN?

A. tunneling traffic from IPv6 to IPv4 VXLANs

B. allowing encrypted communication on the local VXLAN Ethernet segment

C. encapsulating and de-encapsulating VXLAN Ethernet frames

D. tunneling traffic from IPv4 to IPv6 VXLANs

A

C. encapsulating and de-encapsulating VXLAN Ethernet frames

19
Q

Which two actions provide controlled Layer 2 network connectivity between virtual machines running on the same hypervisor? (Choose two.)

A. Use a virtual switch provided by the hypervisor.

B. Use a virtual switch running as a separate virtual machine.

C. Use VXLAN fabric after installing VXLAN tunneling drivers on the virtual machines.

D. Use a single routed link to an external router on stick.

E. Use a single trunk link to an external Layer2 switch.

A

A. Use a virtual switch provided by the hypervisor.

D. Use a single routed link to an external router on stick.

20
Q

What is a Type 1 hypervisor?

A. runs directly on a physical server and depends on a previously installed operating system

B. runs directly on a physical server and includes its own operating system

C. runs on a virtual server and depends on an already installed operating system

D. runs on a virtual server and includes its own operating system

A

B. runs directly on a physical server and includes its own operating system

CCNP Encor (making) (14 decks)

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