Get all latest (August) Cisco 642-874 Actual Test 31-40

Ensurepass

 

QUESTION 31

Which three of these Metro service types map to E-Line (versus E-LAN) services that are defined by the Metro Ethernet Forum (MEF)? (Choose three.)

 

A.

Ethernet Private Line

B.

Ethernet Wire Service

C.

Ethernet Relay Service

D.

Ethernet Multipoint Service

E.

Ethernet Relay Multipoint Service

 

Correct Answer
:
ABC

 

 

QUESTION 32

Which two ways to support secure transport of multicast traffic are true? (Choose two.)

 

A.

Use spoke-to-spoke design.

B.

Use IPsec over GRE tunnel.

C.

Use GET VPN.

D.

Use NBMA instead of broadcast.

E.

Disable encryption for multicast traffic.

 

Correct Answer: BC

 

 

QUESTION 33

What is the latest Cisco high-availability solution?

 

A.

VRRP

B.

HSRP

C.

VSS

D.

GLBP

 

Correct Answer: C

 

 

QUESTION 34

Which option lists the EIGRP minimum timer settings for hello and dead timers in seconds?

 

A.

4 and 6

B.

2 and 4

C.

2 and 6

D.

both 6

 

Correct Answer: C

 

 

QUESTION 35

Which three options are basic technical metrics that a good SLA includes? (Choose three.)

 

A.

packet loss

B.

devices

C.

latency

D.

clients

E.

IP availability

F.

distance

 

Correct Answer: ACE

 

 

QUESTION 36

Which two key components are related to one firewall per ISP design option for e-commerce? (Choose two.)

 

A.

It is a common approach to single-homing.

B.

This approach is commonly used in large sites.

C.

Any failure on an edge router results in a loss of session.

D.

It has one NAT to two ISP-assigned blocks.

E.

It is difficu
lt to set up and administer.

 

Correct Answer: CD

 

 

QUESTION 37

Which protocol will not adhere to the design requirement of the control plane being either separated or combined within a virtualization technology?

 

A.

FHRP

B.

STP

C.

CEF

D.

NSF with SSO

 

Correct Answer: B

 

QUESTION 38

Which two design recommendations are most appropriate when OSPF is the data center core routing protocol? (Choose two.)

 

A.

Never use passive interfaces.

B.

Use NSSA areas from the core down.

C.

Use totally stub areas to stop type 3 LSAs.

D.

Use the lowest Ethernet interface IP address as the router ID.

E.

Manipulate the reference bandwidth.

 

Correct Answer: BE

 

 

QUESTION 39

A company uses BGP to connect with the ISP on the enterprise network and wants to improve performance due to the increasing number of iBGP peers. Which two design solutions address the iBGP full mesh requirement? (Choose two.)

 

A.

route reflectors

B.

confederations

C.

AS path prepending

D.

communities

E.

conditional advertising

 

Correct Answer: AB

 

 

QUESTION 40

Which of the following facts must be considered when designing for IP telephony within an Enterprise Campus network?

 

A.

Because the IP phone is a three-port switch, IP telephony extends the network edge, impacting the Distribution layer.

B.

Video and voice are alike in being bursty and bandwidth intensive, and thus impose requirements to be lossless, and have minimized delay and jitter.

C.

IP phones have no voice and data VLAN separation, so security policies must be based on upper layer traffic characteristics.

D.

Though multi-VLAN access ports are set to dot1q and carry more than two VLANs they are not trunk ports.

 

Correct Answer: D

 

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