Question 1

According to the IETF standards,if a router receives a series of packets from the same IP address to the same IP address,it should ________.

Accepted Answer

A) go through the entire process for each packet 
B) cache the decision made for the first packet and use this decision on subsequent packets 
C) skip the first step in the routing process but go through other steps for each subsequent packet 
D) none of the above 
A) go through the entire process for each packet 
B) cache the decision made for the first packet and use this decision on subsequent packets 
C) skip the first step in the routing process but go through other steps for each subsequent packet 
D) none of the above

Question 2

In the mask 255.255.255.0,how many 1s are there?

Accepted Answer

A) 8 
B) 16 
C) 24 
D) We cannot say. 
A) 8 
B) 16 
C) 24 
D) We cannot say.

Question 3

Which is a problem with IPv4 addresses?

Accepted Answer

A) They cannot be used on wireless devices. 
B) They are too complex. 
C) Routers find it difficult to handle them. 
D) We have run out of them. 
A) They cannot be used on wireless devices. 
B) They are too complex. 
C) Routers find it difficult to handle them. 
D) We have run out of them.

Question 4

If I simplify the address 2001:0000:0000:00fe:0000:0000:0000:cdef,I get ________.

Accepted Answer

A) 2001:::fe::::cdef 
B) 2001::fe::::cdef 
C) 2001:::fe::cdef 
D) 2001::00fe:::cdef 
A) 2001:::fe::::cdef 
B) 2001::fe::::cdef 
C) 2001:::fe::cdef 
D) 2001::00fe:::cdef

Question 5

Compared to normal routing,decision caching is ________.

Accepted Answer

A) faster 
B) less dangerous 
C) both A and B 
A) faster 
B) less dangerous 
C) both A and B

Question 6

Routers usually are connected in a ________ topology.

Accepted Answer

A) point-to-point 
B) mesh 
C) hierarchical 
D) bus 
A) point-to-point 
B) mesh 
C) hierarchical 
D) bus

Question 7

One-bit fields are called ________ fields.

Accepted Answer

A) SYN 
B) flag 
C) ACK 
D) none of the above 
A) SYN 
B) flag 
C) ACK 
D) none of the above

Question 8

The total length of an IPv4 address is ________ bits.

Accepted Answer

A) 8 
B) 16 
C) 32 
D) We cannot say. 
A) 8 
B) 16 
C) 32 
D) We cannot say.

Question 9

A TCP ________ segment is a request to close a connection.

Accepted Answer

A) FIN 
B) ACK 
C) Close 
D) Disconnect 
A) FIN 
B) ACK 
C) Close 
D) Disconnect

Question 10

A router must use the Address Resolution Protocol process ________.

Accepted Answer

A) when a new router comes online 
B) when a router goes offline 
C) whenever it forwards an IP packet 
D) whenever it forwards an IP packet to a host that is not in its ARP cache 
A) when a new router comes online 
B) when a router goes offline 
C) whenever it forwards an IP packet 
D) whenever it forwards an IP packet to a host that is not in its ARP cache

Question 11

Row 2707 has the mask /16 and the reliability metric 20.Row 4400 has the mask /16 and the reliability metric 10.Which row will the router choose if both are matches?

Accepted Answer

A) 2707 
B) 4400 
C) either A or B 
D) The router will choose the default row. 
A) 2707 
B) 4400 
C) either A or B 
D) The router will choose the default row.

Question 12

Which IPv4 header field is used to specify quality of service?

Accepted Answer

A) type of service 
B) version number 
C) ECN 
D) differentiated services control point 
A) type of service 
B) version number 
C) ECN 
D) differentiated services control point

Question 13

The router selects a row in which the next-hop router is labeled local.The router will send the packet to the ________.

Accepted Answer

A) default router 
B) local next-hop router 
C) local host 
D) destination host 
A) default router 
B) local next-hop router 
C) local host 
D) destination host

Question 14

Router connectors are called ________.

Accepted Answer

A) sockets 
B) plugs 
C) interfaces 
D) ports 
A) sockets 
B) plugs 
C) interfaces 
D) ports

Question 15

Which of the following is one of the three parts of an IPv4 address?

Accepted Answer

A) subnet part 
B) mask 
C) both A and B 
D) neither A nor B 
A) subnet part 
B) mask 
C) both A and B 
D) neither A nor B

Question 16

In the IPv4 address 1.2.3.4,what is the network part?

Accepted Answer

A) 1 
B) 1.2 
C) 1.2.3 
D) It is hard to say with limited information. 
A) 1 
B) 1.2 
C) 1.2.3 
D) It is hard to say with limited information.

Question 17

A mask has ________ bits.

Accepted Answer

A) 8 
B) 16 
C) 32 
D) We cannot say. 
A) 8 
B) 16 
C) 32 
D) We cannot say.

Question 18

Row 2707 has the mask /16 and the cost metric 20.Row 4400 has the mask /14 and the cost metric 10.Which row will the router choose if both are matches?

Accepted Answer

A) 2707 
B) 4400 
C) either A or B 
D) The router will choose the default row. 
A) 2707 
B) 4400 
C) either A or B 
D) The router will choose the default row.

Question 19

There is a row for each individual Ethernet address in a(n)________.

Accepted Answer

A) Router table 
B) Ethernet switching table 
C) both A and B 
D) neither A nor B 
A) Router table 
B) Ethernet switching table 
C) both A and B 
D) neither A nor B

Question 20

Which of the following segments is not acknowledged?

Accepted Answer

A) FIN 
B) RST 
C) Both of the above are acknowledged. 
D) Neither A nor B is acknowledged. 
A) FIN 
B) RST 
C) Both of the above are acknowledged. 
D) Neither A nor B is acknowledged.

According to the IETF standards,if a router receives a series of packets from the same IP address to the same IP address,it should ________.

In the mask 255.255.255.0,how many 1s are there?

Which is a problem with IPv4 addresses?

If I simplify the address 2001:0000:0000:00fe:0000:0000:0000:cdef,I get ________.

Compared to normal routing,decision caching is ________.

Routers usually are connected in a ________ topology.

One-bit fields are called ________ fields.

The total length of an IPv4 address is ________ bits.

A TCP ________ segment is a request to close a connection.

A router must use the Address Resolution Protocol process ________.

Row 2707 has the mask /16 and the reliability metric 20.Row 4400 has the mask /16 and the reliability metric 10.Which row will the router choose if both are matches?

Which IPv4 header field is used to specify quality of service?

The router selects a row in which the next-hop router is labeled local.The router will send the packet to the ________.

Router connectors are called ________.

Which of the following is one of the three parts of an IPv4 address?

In the IPv4 address 1.2.3.4,what is the network part?

A mask has ________ bits.

Row 2707 has the mask /16 and the cost metric 20.Row 4400 has the mask /14 and the cost metric 10.Which row will the router choose if both are matches?

There is a row for each individual Ethernet address in a(n)________.

Which of the following segments is not acknowledged?

Welcome to the Cloud

Network Standards

Network Security

Network and Security Management

Ethernet 8023switched Lans

Wireless Lans I

Wireless Lans 2

Tcp-Ip Internet Working 2

Carrier Wide Area Networks Wans

Networked Applications

Module a More on Tcp

Module B More on Modulation

Module C More on Telecommunications

Module D Directory Servers

Filters

Exam 8: Tcp-Ip Internet Working I

According to the IETF standards,if a router receives a series of packets from the same IP address to the same IP address,it should ________.

In the mask 255.255.255.0,how many 1s are there?

Which is a problem with IPv4 addresses?

If I simplify the address 2001:0000:0000:00fe:0000:0000:0000:cdef,I get ________.

Compared to normal routing,decision caching is ________.

Routers usually are connected in a ________ topology.

One-bit fields are called ________ fields.

The total length of an IPv4 address is ________ bits.

A TCP ________ segment is a request to close a connection.

A router must use the Address Resolution Protocol process ________.

Row 2707 has the mask /16 and the reliability metric 20.Row 4400 has the mask /16 and the reliability metric 10.Which row will the router choose if both are matches?

Which IPv4 header field is used to specify quality of service?

The router selects a row in which the next-hop router is labeled local.The router will send the packet to the ________.

Router connectors are called ________.

Which of the following is one of the three parts of an IPv4 address?

In the IPv4 address 1.2.3.4,what is the network part?

A mask has ________ bits.

Row 2707 has the mask /16 and the cost metric 20.Row 4400 has the mask /14 and the cost metric 10.Which row will the router choose if both are matches?

There is a row for each individual Ethernet address in a(n)________.

Which of the following segments is not acknowledged?

Welcome to the Cloud

Network Standards

Network Security

Network and Security Management

Ethernet 8023switched Lans

Wireless Lans I

Wireless Lans 2

Tcp-Ip Internet Working 2

Carrier Wide Area Networks Wans

Networked Applications

Module a More on Tcp

Module B More on Modulation

Module C More on Telecommunications

Module D Directory Servers

Filters