Test4actual cisco ccna 640-802 v 9.8

6.What are some of the advantages of using a router to segment the network? (Choose two.)
A. Filtering can occur based on Layer 3 information.
B. Broadcasts are eliminated.
C. Routers generally cost less than switches.
D. Broadcasts are not forwarded across the router.
E.Adding a router to the network decreases latency.
ANSWER: AD
7.At which layers of the OSI model do WANs operate? (Choose two.)
A. application layer
B.session layer
C. transport layer
D. network layer
E. datalink layer
F. physical layer
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ANSWER: EF
8.What is the function of the Cisco IOS command ip nat inside source static 10.1.1.5
172.35.16.5?
A. It creates a global address pool for all outside NAT transactions.
B. It establishes a dynamic address pool for an inside static address.
C. It creates dynamic source translations for all inside local PAT transactions.
D.It creates a one-to-one mapping between an inside local address and an inside global
address.
E. It maps one inside source address to a range of outside global addresses.
ANSWER: D
9.A Cisco router that was providing Frame Relay connectivity at a remote site was replaced
with a different vendor’s frame relay router. Connectivity is now down between the central
and remote site. What is the most likely cause of the problem?
A. mismatched LMI types
B. incorrect DLCI
C. mismatched encapsulation types
D. incorrect IP address mapping
ANSWER: C
10.In the 802.11 specification, what are the allowable channels in the 2.4GHz ISM band?
A. channels 1, 5, 9
B. channels 1, 6, 11
C.channels 1, 4, 7, 10
D. channels 2, 6, 10
ANSWER: B
11.Given the partial router configuration in the graphic, why does the workstation with the IP
address 192.168.1.153/28 fail to access the Internet? (Choose two.)
A. The NAT inside interfaces are not configured properly.
B. The NAT outside interface is not configured properly.
C. The router is not properly configured to use the access control list for NAT.
D. The NAT pool is not properly configured to use routable outside addresses.
E. The access control list does not include the IP address 192.168.1.153/28 to access the
Internet.
ANSWER: AC
13.What does a Layer 2 switch use to decide where to forward a received frame?
? source MAC address
? source IP address
? source switch port
? destination IP address
? destination port address
? destination MAC address
ANSWER: ?
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