CCNA Interview Questions #15/04/2009#

CCNA Interview Questions
Q: What must you do to enable IP routing on your router? (Choose all of the correct answers.)
A. Enable the routing protocol.
B. Set clocking on all serial interfaces.
C. Assign IP addresses to your router’s interfaces.
D. Assign the bandwidth parameter to your serial interfaces.
Ans: A & C
Q: What switching method examines the destination MAC address as the frame is being received and then begins forwarding the frame prior to receiving the entire frame?
A. Modified Cut Through
B. Store and Forward
C. Cut Through
D. Fragment Free
Ans: C
Q: What command activates the IP routing process?
A. router
B. enable
C. network
D. no shutdown
Ans: C
Q: RIP generates routing updates every _ _ _ _ seconds.
A. 15
B. 30
C. 60
D. 90
Ans: B
Q: Which routing protocol would allow a network administrator scalability, VLSM support and minimize overhead if the network administrator wants to merge different networks all using routers from multiple vendors?
A. VTP
B. RIP
C. IGRP
D. OSPF
Ans: D
Q: Host A is communicating with the server. What will be the source MAC address of the frames received by Host A from the server?
A. The MAC address of Host A.
B. The MAC address of router interface E0.
C. The MAC address of the server network interface.
D. MAC address of router interface E1.
Ans: B
Q: What does the concept route aggregation mean when one talks about using variable subnet masking?
A. Reclaiming unused space by means of changing the subnet size.
B. Calculating the available host addresses in the AS.
C. Combining routes to multiple networks into one supernet.
D. Deleting unusable addresses through the creation of many subnets.
Ans: C
Q: Which PPP authentication methods will you use when configuring PPP on an interface of a Cisco router? (Select two options.)
A. SSL
B. SLIP
C. PAP
D. CHAP
E. VNP
Ans: C, E

CCNA Interview Questions #14/04/2009#

CCNA Interview Questions #14/04/2009#
Q: Which of the following about Routing Protocols is correct? (choose all that apply)
A. RIP 2 is a Distance Vector Protocol
B. The RIP 1 uses bandwidth and delay as the metric
C. RIP 1 uses subnet mask
D. The Update timer value of IGRP is 90 sec.
Ans: A & E
Q: The switch port that is chosen to forward traffic for a segment is called a _ _ _ _
A. Root port
B. Alternate port
C. Backup port
D. Designated port
Ans: D
Q: Which of the following is false concerning VLANs?
A. A VLAN is a broadcast domain.
B. A VLAN is a logical group of users.
C. A VLAN is location-dependent.
D. A VLAN is a subnet.
Ans: C
Q: Which of the following trunking methods is/are proprietary to Cisco?
A. 802.1Q
B. 802.10
C. LANE
D. ISLbr
Ans: B & D
Q: What command is used to delete the configuration stored in NVRAM?
A. erase startup-config
B. erase running-config
C. delete nvram
D. erase nvram
Ans: A
Q: What is the maximum number of hops that OSPF allows before marking a network as unreachable?
A. 15
B. Unlimited
C. 16
D. 255
Ans: B
Q: Which one of the following is a reason to use a hardware address?
A. To transmit a packet from one local device to another local device.
B. To obtain a vendor code/serial number from the user.
C. To transmit a frame from one interface to another interface.
D. To contain logical information about a device to use an end-to-end transmission.
Ans: C
Q: Which VTP mode(s) will propagate VTP messages?
A. Client and server
B. Server
C. Client, server, and transparent
D. Transparent
Ans: C
Q: Which 2950 command enables trunking?
A. switchport mode trunk
B. trunking on
C. trunking enable
D. switchport trunk on
Ans: A