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Q.21 A ping 192.1.1.20 command is issued on workstation A to determine if workstation B can be reached. What events will occur if this command is successful ? (Choose two.)

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The router will block the ping request message.

The router will reply to the echo request with a proxy ping response.

Workstation A will send a UDP ping request message to workstation B.

Workstation B will send a UDP ping reply message to workstation A.

Workstation A will send an ICMP echo request message to workstation B.

Workstation B will send an ICMP echo reply message to workstation A.

 

 

Q.22 How does a router know of paths to destination networks? (Choose two.)

 

inspection of the destination IP address in data packets

ARP requests from connected routers

manual configuration of routes

updates from other routers

DHCP information broadcasts

updates from the SMTP management information base

 

Q.23 Refer to the exhibit. Which two statements describe the data conversation shown? (Choose two.)

 

The data conversation was started by the HTTP application process running on the client.

The data conversation is identified by TCP port 80 on the client.

The user started the data conversation by sending an e-mail.

The IP address of the Internet server is 192.168.17.43.

The Internet server will send data to port 8547 on the client.

 

 

Q.24 What is one purpose of the TCP three-way handshake?

 

sending echo requests from the source to the destination host to establish the presence of the destination

determining the IP address of the destination host in preparation for data transfer

requesting the destination to transfer a binary file to the source

synchronizing sequence numbers between source and destination in preparation for data transfer

 

 

Q.25 Which type of address is 192.168.17.111/28?

 

host address

network address

broadcast address

multicast address

 

 

Q.26 A customer reports connectivity problems to an ISP technician. Upon questioning the customer, the technician discovers that all network applications are functioning except for FTP. What should the technician suspect is the problem?

 

misconfigured firewall

bad port on switch or hub

misconfigured IP addressing on the customer's workstation

wrong DNS server configured on the customer's workstation

wrong default gateway configured on the customer's workstation

 

Q.27 The show ip route command was executed on one of the routers shown in the graphic and the following output was displayed:

 

C 192.168.4.0/24 is directly connected, Serial0/0

R 192.168.5.0/24 [120/1] via 192.168.4.2, 00:00:19, Serial0/0

R 192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1

R 192.168.2.0/24[120/2] via 192.168.3.1, 00:00:20, Serial0/1

C 192.168.3.0/24 is directly connected, Serial0/1

 

From which router was this command executed?

A

B

C

D

 

 


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