Download New Latest (May) Cisco 640-875 Actual Tests 31-40

By | May 16, 2015

Ensurepass

 

QUESTION 31

Which two statements about Cisco IOS XR NTP configuration are true? (Choose two.)

 

A.

A network device can obtain NTP time information in three ways: polling the NTP server, listening to NTP broadcasts, and listening to NTP multicasts.

B.

NTP authentication supports MD5, SHA1, or SHA2.

C.

Client mode is a peer-to-peer mode.

D.

The two types of poll-based NTP associations are client mode and symmetric active mode.

E.

The Cisco IOS-XR implementation of NTP supports stratum 1 service.

F.

In client mode, clients can dynamically learn the NTP sever IP address by listening to the NTP server broadcasts or multicasts.

 

Answer: AD

 

 

QUESTION 32

On Cisco IOS XR, for which purpose is the turboboot procedure used?

 

A.

to boot the router into ROM Monitor mode

B.

to install the IOS XR software from scratch using the ROM Monitor mode

C.

to install and boot up a PIE

D.

to install and boot up a SMU

E.

to perform an ISSU

F.

to speed up the time it takes to boot up the IOS XR router

 

Answer: B

 

 

QUESTION 33

DRAG DROP

 

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Answer:

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A.

 

B.

 

C.

 

D.

 

 

Answer:

 

 

QUESTION 34

Given the IP address 10.106.170.145 255.248.0.0, which three options are the subnet that this IP address belongs to, the host IP address range on this subnet, and the subnet broadcast IP address?

 

A.

subnet = 10.104.0.0/13

B.

subnet = 10.106.0.0/13

C.

subnet = 10.112.0.0/13

D.

host IP address range = 10.104.0.1 to 10.111.255.254

E.

host IP address range = 10.106.0.1 to 10.106.255.254

F.

host IP address range = 10.106.0.1 to 10.119.255.254

G.

subnet broadcast IP address = 10.106.255.255

H.

subnet broadcast IP address = 10.111.255.255

I.

subnet broadcast IP address = 10.119.255.255

 

Answer: ADH

 

 

QUESTION 35

Which component is integrated into the Cisco IPoDWDM interfaces?

 

A.

ROADM

B.

transponder

C.

electrical cross connect

D.

E-O-E converter

E.

SONET/SDH controller

 

Answer: B

 

 

QUESTION 36

Given the IP address of 209.168.200.155/27, which two options are the subnet that this IP address belongs to and the subnet broadcast IP address? (Choose two.)

 

A.

209.168.200.64 255.255.255.224

B.

209.168.200.96 255.255.255.224

C.

209.168.200.128 255.255.255.224

D.

209.168.200.95

E.

209.168.200.127

F.

209.168.200.159

 

Answer: CF

 

 

QUESTION 37

Which statement about a root bridge in an STP domain is true?

 

A.

It has the highest root ID in the STP domain.

B.

It has the lowest bridge ID in the STP domain.

C.

It contains non-designated ports.

D.

It contains root ports.

E.

It has the highest priority value.

 

Answer: B

 

 

QUESTION 38

HOTSPOT

 

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Answer:

Free VCE & PDF File for Cisco 640-875 Real Exam

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Instant Access to Free PDF Files: CCNA | CCNP | CCIE …

 

A.


 

B.

 

C.

 

D.

 

 

Answer:

 

 

QUESTION 39

Currently, a Cisco IOS XR router is configured to send IP SLA probes to a network management station that is acting as the IP SLA target device. How can IP SLA measurement accuracy be improved and also provide additional statistics?

 

A.

Use ICMP echo probes instead of UDP echo probes.

B.

Configure another Cisco router as the target and enable that other Cisco router for IP SLA Responder operations.

C.

Increase the rate (frequency) at which a specified IP SLA operation is sent into the network.

D.

Use UDP echo probes instead of ICMP echo probes and enable UDP echo service on the target network management station.

E.

Enable IP SLA Responder service on the target network management station

 

Answer: B

 

 

QUESTION 40

Which Layer 2 WAN protocol uses DLCI as the virtual circuit identifier?

 

A.

ATM

B.

PPP

C.

Frame Relay

D.

Packet over SONET

E.

Metro Ethernet

 

Answer: C