Download New Latest (May) Cisco 640-875 Actual Tests 11-20

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QUESTION 11

Which two statements about IPv4 DHCP operations are true? (Choose two.)

 

A.

If the DHCP clients and servers are on the same subnet, DHCP uses UDP broadcasts to communicate between the clients and servers.

B.

The DHCP server that receives a DHCPDISCOVER message may respond with a DHCPOFFER message on UDP port 67.

C.

A client can receive DHCPOFFER from multiple servers and it can accept all the offers by broadcasting the DHCPREQUEST message to all the servers.

D.

A DHCP relay is required if the DHCP clients and the servers are on the same subnet.

E.

If the client and server are on different subnets, DHCPDISCOVER and DHCPREQUEST messages are sent via UDP broadcasts, but DHCPOFFER and DHCPACK messages are unicast.

F.

The client broadcasts a DHCPDISCOVER message on UDP port 68 with its own MAC address to discover available DHCP servers.

 

Answer: AE

 

 

QUESTION 12

Generally, which way is the fastest to open S3 and S4 service requests to the Cisco TAC?

 

A.

Use the Smart Call Home feature.

B.

Use the online TAC Service Request Tool.

C.

Call Cisco TAC on the phone.

D.

Email Cisco TAC with a high-priority email.

E.

Export the related Syslog/NetFlow information to TAC directly.

 

Answer: B

 

 

QUESTION 13

DRAG DROP

 

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Answer:

 

 

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A.

 

B.

 

C.

 

D.

 

 

Answer:

 

 

QUESTION 14

In Cisco IOS XR, which three operations is Admin mode used for? (Choose three.)

 

A.

Secure Domain Router management

B.

configuration-register settings

C.

hostname configuration

D.

IOS XR software package upgrades

E.

interface duplex settings

F.

domain-name configuration

 

Answer: ABD

 

 

QUESTION 15

Refer to the exhibit.

 

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Which two statements about these partial Cisco IOS/IOS-XE configurations are true? (Choose two.)

 

A.

10.1.1.2 is the inside local address.

B.

192.168.1.2 is the outside local address.

C.

192.168.1.2 is the outside global address.

D.

This is an example of static one-to-one Network Address Translation.

E.

This is an example of static Port Address Translation.

 

Answer: AD

 

 

QUESTION 16

Which three IP addresses are valid for hosts that belong to the 10.152.0.0/13 subnet?

 

(Choose three.)

 

A.

10.152.0.0/13

B.

10.153.0.1/13

C.

10.158.255.255/13

D.

10.159.255.254/13

E.

10.160.0.1/13

F.

10.161.0.1/13

 

Answer: BCD

 

 

QUESTION 17

What are the four steps to enable SSH v1 and v2 server on Cisco IOS XR routers? (Choose four.)

 

A.

Configure a host name.

B.

Configure a domain name.

C.

Generate a crypto key pair.

D.

Import the router identity certificate and the CA root certificate to the router.

E.

Configure an ISAKMP policy.

F.

Bring up an SSH server using the ssh server command.

 

Answer: ABCF

 

 

QUESTION 18

DRAG DROP

 

 

 

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Answer:

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A.

 

B.

 

C.

 

D.

 

 

Answer:

 

 

QUESTION 19

When EIGRP is enabled on Cisco IOS XR, which EIGRP feature is on by default?

 

A.

no auto-summary

B.

stub routing

C.

unequal cost paths load-balancing

D.

no ip eigrp split-horizon

E.

eigrp authentication

 

Answer: A

 

 

QUESTION 20

What does a transparent LAN switch use to build its CAM table?

 

A.

BPDU messages exchanged with neighbor bridges

B.

STP messages exchanged with neighbor bridges

C.

dynamic routing protocol updates from neighbor bridges

D.

analysis of the source MAC address of incoming frames on the bridge ports

 

Answer: D