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Number of posts : 72
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Registration date : 2007-02-22

PostSubject: Module2   Thu Nov 29, 2007 7:07 pm

CCNP1
Chapter 2

What is the optimal subnet mask on point-to-point serial links using VLSM?

255.255.255.0
255.255.255.224
255.255.255.252 *
255.255.255.255
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Which command can be used on a Cisco router to allow a host to obtain an IP address from a DCHP server located on another subnet?

ip dhcp-server
ip name-server
ip dhcp-helper
ip helper-address *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Which technology enables the ability to subnet an already subnetted network?

CIDR
VLSM *
OSPF
Route Summarization
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A site has 300 computers that need global IP connectivity. However, they can only afford 8 usable addresses from their ISP. Which router feature would they use?

port address translation *
network access table
static network address translation
port association table
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
What is the maximum number of Class C networks that can be summarized with a /20 block?

8
32
48
16 *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Which of the following is a network service that is used to reduce the task of allocating IP addresses?

DHCP *
PAT
NAT
DNS
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
What is another format for the IPv6 address 1080:0000:0000:0000:0000:0000:1267:01A2?

1080::1267:01A2 *
1080:0:0:0:0:1267:01A2
1080::0:1267:01A2
1080:::::1267.01A2
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Which IPv6 address is analogous to a private IP address using IPv4?

site local *
any cast
link local
NLA ID
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
EIGRP is the routing protocol running on the network shown in the diagram. Which command must be entered to allow efficient routing in the network?

static route
auto-routing
no auto-summary *
ip unnumbered
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Observe the above diagram. Assuming that IGRP is configured on the two routers, what will happen when a host from 10.10.10.0/24 attempts to ping a host on 10.10.11.0/24?

The ping will be 100% successful
The ping will be 60% successful
The ping will be 40% successful
The ping will be 0% successful *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Which two statements are true when using IP unnumbered? (Choose two.)

Ping cannot determine if the interface is up. *
A network IOS can boot over an IP unnumbered link.
It can be used with a classful routing protocol. *
IP security options can be supported.
It can be used on a LAN interface.
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Which solution can be used on an IGRP network to conserve IP addresses on a point-to-point link?

VLSM
IP unnumbered *
loopback interfaces
IPv6
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
In the network shown in the diagram, Router RTC is maintaining a route table of several Class C networks, which have been summarized under the address 200.199.56.0/21. Network 200.199.56.0/24 in the RTC route table is configured on an interface that is alternating rapidly between the up and down states. How will this flapping route affect Router RTZ and the other corporate routers?

Router RTZ and the upstream router will have no knowledge of the route flapping occurring on Router RTC. *
Only the upstream router will have no knowledge of the route flapping occurring on Router RTC.
All routers in the network will update their routing tables every time the interface changes states.
Only the upstream router will have to constantly update its routing table if route summarization is not enabled on it.
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Which technique effectively insulates other routers from the problem of route flapping?

route summarization *
network address translation
IPv6
helper addresses
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A company has a very large network and all of the client computers are set up for DHCP. A computer has issued a DHCPDISCOVER, which is answered with a DHCPOFFER. The computer then issues a DHCPREQUEST but never receives a DHCPACK. What might be the problem?

The information was leased to another client. *
The client has a statically-assigned IP address that belongs in the DHCP server address pool.
The DHCP server cannot service the request from its own database.
More than one DHCP server made the offer.
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A client computer is set up for DHCP and needs an IP configuration. During the DHCP client configuration process, which response will enable the client to begin using the assigned address immediately?

DHCPACK *
DHCPREQUEST
DHCPOFFER
DHCPDISCOVER
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
How does an Internet Service Provider handle RFC 1918 addresses if they are sourced from a home network?

They will be routed as addressed.
They will be forwarded to the default gateway.
They will be immediately discarded. *
They will be assigned a special port number.
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Which CIDR prefix would be used for a Class B RFC 1918 internal address range?

/4
/8
/12 *
/16
/20
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Which function does the PAT feature of NAT provide?

allows multiple outside addresses to map to the same local address
provides a one-to-one mapping of inside addresses to outside addresses
allows multiple inside addresses to map to the same inside global address *
provides a one-to-many mapping of inside addresses to outside addresses
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Which statement correctly describes supernetting?

the practice of using a bit mask to group multiple classful networks as a single network address *
the practice of using a bit mask to create multiple subnets out of a single classful network
the practice of using a bit mask to create more than one subnet mask within the same network address space
the practice of using a bit mask to subnet a subnet
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Which address will summarize only the following Class C networks?

192.168.20.0
192.168.21.0
192.168.22.0
192.168.23.0

192.168.16.0/20
192.168.20.0/22 *
192.168.22.0/24
192.168.24.0/21
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Which services will be forwarded by default if the command ip helper-address is enabled on an interface? (Choose three.)

time *
NetBIOS name service *
FTP
ping
DNS *
RADIUS
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
What is the purpose of the ip helper-address command?

allows routing protocols to aggregate, or summarize, routing information
allows classful routing protocols to support discontinuous networks
allows an unaddressed interface to borrow the IP address of another addressed interface
allows routers to accept broadcast requests for UDP services and forward them as unicasts to specific IP addresses *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Which protocols support only classful IP addressing? (Choose two.)

EIGRP
OSPF
IGRP *
IS-IS
RIP v1 *
BGP
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Which problem can be addressed by using route summarization to protect upstream routers?

route poisoning
route filtering
route flapping *
route convergence
route aggregation
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Observe the above graphic. Assuming that all routes have been discovered and that summarization has been enabled on RTA, how will RTA advertise the network to the external cloud so that only those routes currently seen are advertised?

192.168.8.0/21
192.168.8.0/24
192.168.16.0/20
192.168.16.0/21 *
192.168.16.0/24
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