CCIE Routing and Switching Written Exam v5.1 

 

QUESTION 751

Which three improvements does Cisco IOS XE Software offer over traditional IOS Software? (Choose three.)

 

A.

It can run applications as separate processes on multicore CPUs.

B.

It supports drivers for data plane ASICs outside of the operating system.

C.

It allows platform-dependent code to be compiled into a single image.

D.

It supports multiple IOS instances simultaneously, sharing resources and internal infrastructure for scalability.

E.

It allows platform-independent code to be abstracted into a single microkernel for portability across platforms.

F.

It uses a QNX Neutrino-based environment underneath the IOS Software.

 

Correct Answer: ABC

 

 

QUESTION 752

Refer to the exhibit. R1 and R2 both advertise 10.50.1.0/24 to R3 and R4 as shown. R1 is the primary path. Which path does traffic take from the R4 data center to the file server?

 

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A.

All traffic travels from R4 to R2 to the file server.

B.

All traffic travels from R4 to R3 to R1 to the file server.

C.

Traffic is load-balanced from R4 to R2 and R3. Traffic that is directed to R3 then continues to R1 to the file server. Traffic that is directed to R2 continues to the file server.

D.

All traffic travels from R4 to R2 to R1 to the file server.

 

Correct Answer: A

 

 

QUESTION 753

Refer to the exhibit. If a console port is configured as shown, which response is displayed when you connect to the console port?

 

clip_image004

 

A.

a blinking cursor

B.

the message “Authorized users only”

C.

the username prompt

D.

three username name prompts followed by a timeout message

E.

the message “Connection refused”

 

Correct Answer: A

 

 

QUESTION 754

What is the destination address of an IGMPv2 general membership query?

 

A.

224.0.0.1

B.

224.0.1.1

C.

224.0.0.2

D.

the multicast group address

 

Correct Answer: A

 

 

 

 

 

 

 

 

QUESTION 755

Refer to the exhibit. Your organization has two offices, Site 1 and Site 2, which are connected by a provider backbone, as shown. Where must you configure an attachment circuit to allow the two sites to connect over a Layer 2 network using L2TPv3?

 

clip_image006

 

A.

PE Site 1 Fa1/0 and PE Site 2 Fa0/0

B.

CE Site 1 Fa0/0 and CE Site 2 Fa0/0

C.

PE Site 1 Se0/0 and PE Site 2 Se0/0

D.

CE Site 1 Fa0/0 and PE Site 2 Se0/0

 

Correct Answer: A

 

 

QUESTION 756

Which statement about SSHv2 is true?

 

A.

Routers acting as SSH clients can operate without RSA keys.

B.

SSHv2 supports port forwarding and compression.

C.

The RSA key pair size must be at least 512.

D.

You must configure a default gateway before you enable SSHv2.

 

Correct Answer: A

 

 

QUESTION 757

Which two statements about MLD are true? (Choose two.)

 

A.

MLD is a subprotocol of ICMPv6.

B.

When a single link supports multiple interfaces, only one interface is required to send MLD messages.

C.

MLD is a subprotocol of PIMv6.

D.

When a single link supports multiple interfaces, all supported interfaces are required to send MLD messages.

E.

There are three subtypes of MLD query messages.

F.

The code section in the MLD message is set to 1 by the sender and ignored by receivers.

 

Correct Answer: AB

 

QUESTION 758

Refer to the exhibit. What kind of problem is detected?

 

clip_image008

 

A.

The packet types that are being sent are unknown.

B.

The maximum MTU size that can be used is 1492.

C.

Waiting for a reply timed out.

D.

Fragmentation starts to occur when the MTU of 1472 is reached.

 

Correct Answer: B

 

 

QUESTION 759

Which two statements about OSPFv3 are true? (Choose two.)

 

A.

It supports unicast address families for IPv4 and IPv6.

B.

It supports unicast address families for IPv6 only.

C.

It supports only one address family per instance.

D.

It supports the use of a cluster ID for loop prevention.

E.

It supports multicast address families for IPv4 and IPv6.

F.

It supports multicast address families for IPv6 only.

 

Correct Answer: AC

 

 

QUESTION 760

Refer to the exhibit. Router R2 is learning the 192.168.1.0/24 network from R1 via EIGRP and eBGP. R2 then redistributes EIGRP into OSPF as metric-type 2 with default metrics. Which metric of the route in the R3 routing table?

 

clip_image010

 

A.

20

B.

30

C.

110

D.

The route is not present in the R3 routing table.

 

Correct Answer: D

 

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