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CCNA: CISCO Certified Network Associate Quiz

CCNA Exam tests a competitor's information and abilities identified with network essentials, network access, IP availability, IP administrations, security basics, and computerization and programmability.

1 / 15

QUESTION NO: 15
Refer to the exhibit.

Based on the information given, which switch will be elected root bridge and why?
A. Switch A, because it has the lowest MAC address
B. Switch A, because it is the most centrally located switch
C. Switch B, because it has the highest MAC address
D. Switch C, because it is the most centrally located switch
E. Switch C, because it has the lowest priority
F. Switch D, because it has the highest priority

 

2 / 15

QUESTION NO: 8
A receiving host computes the checksum on a frame and determines that the frame is damaged.
The frame is then discarded. At which OSI layer did this happen?
A. session
B. transport
C. network
D. data link
E. physical

3 / 15

QUESTION NO: 7
Refer to the exhibit.

A network interface port has collision detection and carrier sensing enabled on a shared twisted
pair network. From this statement, what is known about the network interface port?
A. This is a 10 Mb/s switch port.
B. This is a 100 Mb/s switch port.
C. This is an Ethernet port operating at half duplex.
D. This is an Ethernet port operating at full duplex.
E. This is a port on a network interface card in a PC.

4 / 15

QUESTION NO: 12
Where does routing occur within the DoD TCP/IP reference model?
A. application
B. internet
C. network
D. transport

5 / 15

QUESTION NO: 13
Refer to exhibit:

Which destination addresses will be used by Host A to send data to Host C? (Choose two.)
A. the IP address of Switch 1
B. the MAC address of Switch 1
C. the IP address of Host C
D. the MAC address of Host C
E. the IP address of the router's E0 interface
F. the MAC address of the router's E0 interface

6 / 15

QUESTION NO: 14
For what two purposes does the Ethernet protocol use physical addresses? (Choose two.)
A. to uniquely identify devices at Layer 2
B. to allow communication with devices on a different network
C. to differentiate a Layer 2 frame from a Layer 3 packet
D. to establish a priority system to determine which device gets to transmit first
E. to allow communication between different devices on the same network
F. to allow detection of a remote device when its physical address is unknown

7 / 15

QUESTION NO: 10
Refer to the graphic.

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 router interface e0
B. the MAC address of router interface e1                                                                                                                                                                                                            C. the MAC address of the server network interface
D. the MAC address of host A

8 / 15

QUESTION NO: 4
Which of the following describes the roles of devices in a WAN? (Choose three.)
A. A CSU/DSU terminates a digital local loop.
B. A modem terminates a digital local loop.
C. A CSU/DSU terminates an analog local loop.
D. A modem terminates an analog local loop.
E. A router is commonly considered a DTE device.
F. A router is commonly considered a DCE device.

9 / 15

QUESTION NO: 6
A network administrator is verifying the configuration of a newly installed host by establishing an
FTP connection to a remote server. What is the highest layer of the protocol stack that the network
administrator is using for this operation?
A. application
B. presentation
C. session
D. transport
E. internet
F. data link

10 / 15

Question No: 1.

Refer to the exhibit:

What will Router1 do when it receives the data frame shown? (Choose three.)
A. Router1 will strip off the source MAC address and replace it with the MAC address
0000.0c36.6965.
B. Router1 will strip off the source IP address and replace it with the IP address 192.168.40.1.
C. Router1 will strip off the destination MAC address and replace it with the MAC address
0000.0c07.4320.
D. Router1 will strip off the destination IP address and replace it with the IP address of
192.168.40.1.
E. Router1 will forward the data packet out interface FastEthernet0/1.
F. Router1 will forward the data packet out interface FastEthernet0/2

11 / 15

QUESTION NO: 5
Refer to the exhibit.

Host A pings interface S0/0 on router 3. What is the TTL value for that ping?
A. 252
B. 253                                                                                                                                                                                                                                                                            C. 254
D. 255

 

12 / 15

QUESTION NO:2

Refer to the exhibit:

Which three statements correctly describe Network Device A? (Choose three.)
A. With a network wide mask of 255.255.255.128, each interface does not require an IP address.
B. With a network wide mask of 255.255.255.128, each interface does require an IP address on a
unique IP subnet.
C. With a network wide mask of 255.255.255.0, must be a Layer 2 device for the PCs to
communicate with each other.
D. With a network wide mask of 255.255.255.0, must be a Layer 3 device for the PCs to
communicate with each other.
E. With a network wide mask of 255.255.254.0, each interface does not require an IP address.

13 / 15

QUESTION NO: 9
Which of the following correctly describe steps in the OSI data encapsulation process? (Choose
two.)
A. The transport layer divides a data stream into segments and may add reliability and flow control
information.
B. The data link layer adds physical source and destination addresses and an FCS to the
segment.
C. Packets are created when the network layer encapsulates a frame with source and destination
host addresses and protocol-related control information.
D. Packets are created when the network layer adds Layer 3 addresses and control information to
a segment.
E. The presentation layer translates bits into voltages for transmission across the physical link.

14 / 15

QUESTION NO: 3
Which layer in the OSI reference model is responsible for determining the availability of the
receiving program and checking to see if enough resources exist for that communication?
A. transport
B. network
C. presentation
D. session
E. application

15 / 15

QUESTION NO: 11

Which three statements accurately describe Layer 2 Ethernet switches? (Choose three.)
A. Spanning Tree Protocol allows switches to automatically share VLAN information.
B. Establishing VLANs increases the number of broadcast domains.
C. Switches that are configured with VLANs make forwarding decisions based on both Layer 2
and Layer 3 address information.
D. Microsegmentation decreases the number of collisions on the network.
E. In a properly functioning network with redundant switched paths, each switched segment will
contain one root bridge with all its ports in the forwarding state. All other switches in that broadcast
domain will have only one root port.
F. If a switch receives a frame for an unknown destination, it uses ARP to resolve the address.

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