[March-2018]Exam Pass 100%!Braindump2go 640-878 PDF and VCE 140Q Instant Download[10-20]

Mar 9, 2018

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QUESTION 10
Refer to the exhibit. The access list has been configured on the Gi0/0/0/0 interface in the inbound direction. Which two packets that are sourced from 172.16.1.1 TCP port 1050, if they are routed to the Gi0/0/0/0 interface, will be permitted? (Choose two)

A. destination IP address: 10.10.192.201, destination TCP port: 80
B. destination IP address: 10.10.193.255, destination TCP port: 80
C. destination IP address: 10.10.196.1, destination TCP port: 80
D. destination IP address: 10.10.195.254, destination TCP port: 23
E. destination IP address: 10.10.193.145, destination TCP port: 23
F. destination IP address: 10.10.197.32, destination TCP port: 23

Answer: AB

QUESTION 11
Which first-hop router redundancy protocol uses the active virtual gateway to assign a virtual MAC address to the active virtual forwarders?

A. HSRP
B. VRRP
C. GLBP
D. FHRP

Answer: C

QUESTION 12
Which two statements about the BGP weight attribute on Cisco routers are true? (Choose two.)

A. It is a well-known discretionary attribute.
B. It is only locally significant.
C. Routes with higher weight are the preferred routes.
D. It is used to influence the inbound traffic from the upstream AS.
E. It is set to 100 by default.

Answer: BC

QUESTION 13
Which BGP attribute is also used for loop prevention?

A. weight
B. local preference
C. MED
D. AS path

Answer: D

QUESTION 14
The permit 172.16.32.0 0.0.15.255 access-list entry permits exactly which IP address range?

A. 172.16.32.0 to 172.16.47.255
B. 172.16.32.0 to 172.16.48.255
C. 172.16.32.0 to 172.16.62.255
D. 172.16.32.0 to 172.16.63.255
E. 172.16.32.0 to 172.16.64.255
F. 172.16.32.0 to 172.16.255.255

Answer: A

QUESTION 15
On the Cisco ME 3400 switch, spanning tree is enabled by default on which type of switch port?

A. UNI
B. ENI
C. NNI
D. ENI and NNI
E. UNI, ENI, and NNI

Answer: C

QUESTION 16
Refer to the two show output examples below. The switch with the e8ba.70b5.7180 MAC address is the root bridge for which VLAN or VLANs?

A. VLAN 1
B. VLAN 70
C. VLAN 80
D. VLANs 1, 70, and 80
E. VLANs 1 and 70
F. VLANs 1 and 80
G. VLANs 70 and 80

Answer: C

QUESTION 17
Refer to the Cisco IOS XR commands exhibit. The router administrator is trying to activate a software package on the router but is not able to do so. Which statement about this problem is true?

A. The router needs to be in the global configuration mode.
B. The router needs to be in the admin global configuration mode.
C. The router needs to be in the admin EXEC mode.
D. The install activate command is not the correct command to use.
E. The administrator needs to log in as the “root” user instead of the “admin” user.

Answer: C

QUESTION 18
During the BGP route selection process on Cisco routers, which BGP attribute is examined first, to determine the best path to use?

A. AS path
B. MED
C. local preference
D. weight
E. origin

Answer: D

QUESTION 19
Which type of service provider is responsible for offering backbone connectivity services to other service providers?

A. CSP
B. TSP
C. NSP
D. ISP
E. ASP

Answer: C

QUESTION 20
Cisco IP NGN service providers can offer multiple servic es to their customers by using which type of technology in their core networks?

A. ATM
B. SONET/SDH
C. Frame Relay
D. IP/MPLS
E. PBB

Answer: D

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