6 12 2011
CCNA 640-802
1: testprop.com
CDP is being used throughout the Testprop.com network. What are two reasons why the Testprop.com network administrator would use CDP? (Choose two)
testprop.com
A.
to get VLAN information from directly connected switches
B.
to identify the status of network services on remote device
C.
to obtain the IP address of a connected device so as to telnet to the device
D.
to verify Layer 2 connectivity between two devices when Layer 3 fails
Answer: C D
2: testprop.com
As the network administrator of Testprop.com, you have been assigned the task of designing a new Testprop.com internetwork. So you need to consider selecting suitable network device, Which statement is true regarding the use of switches and hubs for network connectivity?
testprop.com
A.
Hubs are able to increase the amount of bandwidth available to hosts.
B.
Switches spend less time processing frames than hubs.
C.
Switches will not forward broadcasts.
D.
Switches increase the number of collision domains in the network.
Answer: D
3: testprop.com
Which of the following are true regarding bridges and switches? (Choose two.)
testprop.com
A.
A bridge can forward a broadcast but a switch cannot.
B.
A switch is a multiport bridge.
C.
Bridges and switches learn MAC addresses by examining the source MAC address of each frame received.
D.
A bridge is faster than a switch because it has fewer ports.
Answer: B C
4: testprop.com
Both bridges and switches are being used throughout the Testprop.com LAN. Which of the following statements are true regarding bridges and switches in this network? (Choose three)
testprop.com
A.
Switches are slower than bridges
B.
Both bridges and switches forward Layer 2 broadcasts.
C.
Switches have a higher number of ports than most bridges.
D.
Both bridges and switches make forwarding decisions according to Layer 2 addresses.
Answer: B C D
5: testprop.com
As a network administrator, you will need to decide on the appropriate network devices to use. Which of the following correctly describes the roles of devices in a WAN? (Choose three)
testprop.com
A.
A CSU/DSU terminates a digital local loop.
B.
A modem terminates an analog local loop.
C.
A modem terminates a digital local loop.
D.
A router is commonly considered a DTE device.
Answer: A D E
6: testprop.com
Which two of the following are advantages of Layer 2 Ethernet switches over hubs? (Choose two.)
testprop.com
A.
increasing the size of broadcast domains
B.
filtering frames on the basis of MAC addresses
C.
allowing simultaneous frame transmissions
D.
increasing the maximum length of UTP cabling between devices
Answer: B C
7: testprop.com
Which of the following correctly describe the various functions of a router? (Choose two)
testprop.com
A.
packet switching
B.
access list control
C.
path selection
D.
VLAN membership assignment
Answer: A C
8: testprop.com
As a CCNA candidate, you need to know OSI model very well, a packet is the protocol data unit for which layer of the OSI model?
testprop.com
A.
Layer 1
B.
layer 2
C.
layer 3
D.
layer 4
E.
layer 5
F.
layer 6
G.
layer 7
Answer: C
9: testprop.com
As data passes downward through the layers of the OSI model, it is encapsulated into various formats. Which of the following is the correct order of encapsulation?
testprop.com
A.
Segment, frame, packet, bit
B.
Bit, packet, frame, segment
C.
Segment, packet, frame, bit
D.
Bit, frame, packet, segment
Answer: C
10: testprop.com
Which of the following correctly describe steps in the OSI data encapsulation process? (Choose two)
testprop.com
A.
The presentation layer translates bits into voltages for transmission across the physical link.
B.
The transport layer divides a data stream into segments and adds reliability and flow control information.
C.
Packets are created when the network layer adds Layer 3 addresses and control information to a segment.
D.
The data link layer adds physical source and destination addresses and an FCS to the segment.
Answer: B C
Cisco 642-165 UCCX Exam Questions (96-100) 640-802 CCNA Exam Topics