CCDA 640-864 Q&As – IPv4 and IPv6 (16-19)

March 29, 2012

Section 7 – IPv4 and IPv6

QUESTION 16
What is DHCP?
A.    Dynamic Host Configuration Protocol
B.    Dedicated Host Configuration Protocol
C.    Dynamic Host Control Protocol
D.    Predecessor to BOOTP
Answer: A

QUESTION 17
An internal network has servers with private IPv4 addresses that must be visible from the public network. Which kind of address translation should be used to ensure this?
A.    many-to-one translation (PAT)
B.    many-to-one translation (Dynamic NAT)
C.    one-to-one translation (Static NAT)
D.    one-to-one translation (NAT Traversal)
Answer: C

QUESTION 18
Which statement decribes the recommended deployment of DNS and DHCP servers in the Cisco Enterprise Architecture Model?
A.    Place the DHCP and DNS servers in the Enterprise Campus Access layer and Enterprise branch.
B.    Place the DHCP and DNS servers in the Enterprise Campus Server Farm layer and Enterprise branch.
C.    Place the DHCP server in the Enterprise Campus Core layer and Remote Access/VPN module with the DNS server in the Internet Connectivity module.
D.    Place the DHCP server in the Enterprise Campus Distribution layer with the DNS server in the Internet Connectivity module.
Answer: B
Explanation:
For the Enterprise Campus, DHCP and internal DNS servers should be located in the Server Farm and they should be redundant. External DNS servers can be placed redundantly at the service provider facility and at the Enterprise branch.

QUESTION 19
What is the benefit of VLSM?
A.    reduces configuration complexity by using the same subnet mask length
B.    reduces the routing table size by using automatic route summarization
C.    reduces the routing table size by using manual route summarization
D.    allows the subnet mask and classful routing updates to be advertised
E.    secures the hosts on a subnet by using RFC 1918 addresses
Answer: C

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posted in CCDA 640-864 Q&As by admin

 
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