34. Refer to the exhibit. All devices in the network use default configurations. How many broadcast domains are there in this topology?
35
7
9
11
35. Which three IPv4 addresses represent valid network addresses for a subnet?(Choose three.)
192.168.9.64/28
192.168.9.146/28
192.168.9.96/28
192.168.9.129/26
192.168.9.51/26
192.168.9.64/26
36. Two routers are connected via their serial ports in a lab environment. The routers are configured with valid IP addresses, but they cannot ping each other. The show interface serial0/0 command shows that the serial0/0 interface is up but the line protocol is down. What could be the cause of this problem?
The no shutdown command has not been applied to the interfaces.The clock rate command has not been entered on the DCE interface.
The interface timers are not cleared.
The FastEthernet interface is emulating a serial interface by assigning it a timing signal.
37. Which device should be used for enabling a host to communicate with another host on a different network?
switchhub
router
host
38. Refer to the exhibit. The network administrator uses the netstat command to display the open, active, and running TCP connections on a networked host. The exhibit displays the output of this command. Which two facts can be determined from this output for accessing www.cisco.com? (Choose two.)
The source port indicates that the session is an http session.
The connection is not successful.
The source port of the host is 3166.
The destination port is 80.
The source port does not support communication with the destination port that is listed.
The source port indicates that a UDP session has been initiated.
39. Which OSI layer uses the header information to reassemble the data segments into streams?
application layer
network layer
presentation layer
session layer
transport layer
40. Which three statements are true about transport layer protocols? (Choose three.)
The UDP transport layer protocol provides for low overhead data delivery.
The TCP transport layer protocol uses windowing and acknowledgments for reliable transfer of data.
The TCP and UDP port numbers are used by application layer protocols.
The TCP transport layer protocol provides services to direct the data packets to their destination hosts.
The UDP transport layer protocol is a connection-oriented protocol.
The UDP transport layer protocol keeps track of all the data segments in each conversation.
41. To enhance security in a network, the network administrator uses these commands:
Router(config)# line console 0
Router(config-line)# password j1mdi2
Router(config-line)# login
What two conclusions are evident from these commands? (Choose two.)
Users who attempt to connect to the console port of the router must enter a password.
The entries permit access through the console by the use of j1mdi2 as the password.
The entries eliminate the need for authentication.
Access through the console will be denied because the console configuration is incomplete.
The entries prevent passwords from being displayed as plain text.
42. Refer to the exhibit. Each media link is labeled. What type of cable should be used to connect the different devices?
Connection 1 - straight-through cable Connection 2 - straight-through cable Connection 3 - crossover cable
Connection 1 - straight-through cable Connection 2 - crossover cable Connection 3 - rollover cable
Connection 1 - crossover cable Connection 2 - rollover cable Connection 3 - straightthrough cable
Connection 1 - crossover cable Connection 2 - straight-through cable Connection 3 - crossover cable
Connection 1 - straight-through cable Connection 2 - rollover cable Connection 3 - crossover cable
43. Refer to the exhibit. The headers added at each layer are shown. Which layer adds the destination and source process numbers to ensure that data is delivered to the correct application?
physical layer
data link layer
network layer
transport layer
44. Which three statements are true about network layer addressing? (Choose three.)
It uses the last octet of the IP address to identify the network.
It supports data communications between networks.
It is configured by the network technician.
It is a 16-bit IPv4 address.
It prevents broadcasts.
It uniquely identifies each host.
45. Refer to the exhibit. A PC is connected to a network. Which action will verify that the PC can communicate with its default gateway?
Use the ping 127.0.0.1 command.
Use the ipconfig command.
Use the ipconfig/all command.
Use the ping 10.0.0.254 command.
46. Refer to the exhibit. Host A sends a frame with the destination MAC address as FFFF.FFFF.FFFF. What action will the switch take for this frame?
It will drop the frame.
It will send the frame back to host A.
It will send the frame to all hosts except host A.
It will forward the frame to the default gateway.
47. Refer to the exhibit. The network administrator remotely accesses the CLI of RouterB from PC1 using a secure connection. Which statement is true about this connection?
The Telnet server process is running on PC1.
Only the exchange of the Telnet username and password is encrypted.
The GET request is sent to RouterA to retrieve data.
The SSH service is used to connect PC1 to RouterB.
48. Which OSI layer uses the header information to reassemble the data segments into streams?
application layer
network layer
presentation layer
session layer
transport layer
49. Refer to the exhibit. A router, the table of which is shown, receives a packet that is destined for 192.168.9.4. How will the router treat the packet?
It will drop the packet.
It will forward the packet via FastEthernet 0/1.
It will forward the packet to the next hop address.
It will forward the packet to 172.16.2.0
50. Refer to the exhibit. Cable 1 and Cable 2 are wired for specific physical layer requirements. The table lists each segment by number and the cable that connects the network components on that segment. Which three segments have the correct cables installed? (Choose three.)
segment 1
segment 2
segment 3
segment 4
segment 5
segment 6
The source port indicates that the session is an http session.
The connection is not successful.
The source port of the host is 3166.
The destination port is 80.
The source port does not support communication with the destination port that is listed.
The source port indicates that a UDP session has been initiated.
39. Which OSI layer uses the header information to reassemble the data segments into streams?
application layer
network layer
presentation layer
session layer
transport layer
40. Which three statements are true about transport layer protocols? (Choose three.)
The UDP transport layer protocol provides for low overhead data delivery.
The TCP transport layer protocol uses windowing and acknowledgments for reliable transfer of data.
The TCP and UDP port numbers are used by application layer protocols.
The TCP transport layer protocol provides services to direct the data packets to their destination hosts.
The UDP transport layer protocol is a connection-oriented protocol.
The UDP transport layer protocol keeps track of all the data segments in each conversation.
41. To enhance security in a network, the network administrator uses these commands:
Router(config)# line console 0
Router(config-line)# password j1mdi2
Router(config-line)# login
What two conclusions are evident from these commands? (Choose two.)
Users who attempt to connect to the console port of the router must enter a password.
The entries permit access through the console by the use of j1mdi2 as the password.
The entries eliminate the need for authentication.
Access through the console will be denied because the console configuration is incomplete.
The entries prevent passwords from being displayed as plain text.
42. Refer to the exhibit. Each media link is labeled. What type of cable should be used to connect the different devices?
Connection 1 - straight-through cable Connection 2 - straight-through cable Connection 3 - crossover cable
Connection 1 - straight-through cable Connection 2 - crossover cable Connection 3 - rollover cable
Connection 1 - crossover cable Connection 2 - rollover cable Connection 3 - straightthrough cable
Connection 1 - crossover cable Connection 2 - straight-through cable Connection 3 - crossover cable
Connection 1 - straight-through cable Connection 2 - rollover cable Connection 3 - crossover cable
43. Refer to the exhibit. The headers added at each layer are shown. Which layer adds the destination and source process numbers to ensure that data is delivered to the correct application?
physical layer
data link layer
network layer
transport layer
44. Which three statements are true about network layer addressing? (Choose three.)
It uses the last octet of the IP address to identify the network.
It supports data communications between networks.
It is configured by the network technician.
It is a 16-bit IPv4 address.
It prevents broadcasts.
It uniquely identifies each host.
45. Refer to the exhibit. A PC is connected to a network. Which action will verify that the PC can communicate with its default gateway?
Use the ping 127.0.0.1 command.
Use the ipconfig command.
Use the ipconfig/all command.
Use the ping 10.0.0.254 command.
46. Refer to the exhibit. Host A sends a frame with the destination MAC address as FFFF.FFFF.FFFF. What action will the switch take for this frame?
It will drop the frame.
It will send the frame back to host A.
It will send the frame to all hosts except host A.
It will forward the frame to the default gateway.
47. Refer to the exhibit. The network administrator remotely accesses the CLI of RouterB from PC1 using a secure connection. Which statement is true about this connection?
The Telnet server process is running on PC1.
Only the exchange of the Telnet username and password is encrypted.
The GET request is sent to RouterA to retrieve data.
The SSH service is used to connect PC1 to RouterB.
48. Which OSI layer uses the header information to reassemble the data segments into streams?
application layer
network layer
presentation layer
session layer
transport layer
49. Refer to the exhibit. A router, the table of which is shown, receives a packet that is destined for 192.168.9.4. How will the router treat the packet?
It will drop the packet.
It will forward the packet via FastEthernet 0/1.
It will forward the packet to the next hop address.
It will forward the packet to 172.16.2.0
50. Refer to the exhibit. Cable 1 and Cable 2 are wired for specific physical layer requirements. The table lists each segment by number and the cable that connects the network components on that segment. Which three segments have the correct cables installed? (Choose three.)
segment 1
segment 2
segment 3
segment 4
segment 5
segment 6
0 komentar:
Posting Komentar