Host Connectivity

1. A PC connects to a LAN and uses DHCP to lease an IP address for the first time. Of the
usual four DHCP messages that flow between the PC and the DHCP server, which ones
do the client send? (Choose 2 answers.)
a. Acknowledgment
b. Discover
c. Offer
d. Request

2. An enterprise puts the DHCP and DNS servers on VLAN 10/subnet 10 in Atlanta, using
IP address 10.1.10.1 for the DHCP server and 10.1.10.2 for the DNS server. A remote
router sits in Boston, with devices on the Boston LAN using the DHCP and DNS servers in
Atlanta. Which of the following needs to be configured in the routers in this enterprise to
support DHCP and DNS?

a. The ip helper-address 10.1.10.1 command in the Atlanta router
b. The ip helper-address 10.1.10.2 command in the Boston router
c. The ip name-server 10.1.10.2 command in the Atlanta router
d. The ip dhcp-server 10.1.10.1 command in the Boston router
e. None of the other answers is correct.
3. Fred decides to migrate from an old DHCP server platform to use a Cisco router at the
headquarters building. This DHCP server, created with configuration in IOS on a Cisco
router, supports 200 remote subnets. Which of the following settings are made outside of
a per-subnet pool of addresses?
a. Client IP address
b. Addresses in that subnet excluded from being leased by the server
c. Default router
d. DNS server
e. Length of address lease

4. PC1 uses manual (static) IPv4 configuration associated with its Ethernet NIC. Which of
the following IPv4 settings will the PC list in the IPv4 configuration? (Choose 2 answers.)
a. A DHCP server address
b. A DNS server address
c. A traceroute server address
d. The PC’s own IP address
Use the following figure to answer Questions 5 and 6:

5. A new network engineer is trying to troubleshoot a problem for the user of PC1. Which
of the following tasks and results would most likely point to a Layer 1 or 2 Ethernet problem
on the LAN on the left side of the figure?
a. A ping 10.1.1.1 command on PC1 did not succeed.
b. A ping 10.1.13.2 command from PC1 succeeded, but a ping 172.16.2.4 did not.
c. A ping 10.1.1.1 command from PC1 succeeded, but a ping 10.1.13.1 did not.
d. A ping 10.1.1.10 command from PC1 succeeded.

6. The PC2 user issues the tracert 10.1.1.10 command. Which of the following IP addresses
could be shown in the command output? (Choose three answers.)
a. 10.1.1.10
b. 10.1.1.1
c. 10.1.13.1
d. 10.1.13.2
e. 172.16.2.4
7. Examine the following command output. If the user typed the resume command, what
would happen?
R1# show sessions
Conn           Host                    Address                Byte         Idle            Conn Name
1                   Fred                     10.1.1.1                  0                0               Fred
* 2               Barney                10.1.2.1                  0                0                Barney
a. The command would be rejected, and the R1 CLI command prompt would be displayed
again.
b. The CLI user would be connected to a suspended Telnet connection to the router
with IP address 10.1.1.1.
c. The CLI user would be connected to a suspended Telnet connection to the router
with IP address 10.1.2.1.
d. The result cannot be accurately predicted from the information shown.