Question 1

In a typical home network,all computers in the home are assigned IP addresses _____.

Accepted Answer

A) from the ISP's allocated address pool 
B) from the RFC 1918 address pool 
C) from the home owner's preferred address pool 
D) randomly 
A) from the ISP's allocated address pool 
B) from the RFC 1918 address pool 
C) from the home owner's preferred address pool 
D) randomly B

Question 2

In dynamic allocation,IP addresses are assigned by DHCP _____.

Accepted Answer

A) automatically and forever,based on a first-come-first-serve basis,from a pool of addresses 
B) manually and forever on a per-host basis 
C) automatically and for a short period,based on a first-come-first-serve basis,from a pool of addresses 
D) None of the above 
A) automatically and forever,based on a first-come-first-serve basis,from a pool of addresses 
B) manually and forever on a per-host basis 
C) automatically and for a short period,based on a first-come-first-serve basis,from a pool of addresses 
D) None of the above C

Question 3

The administrator for the ".com" domain is responsible for knowing the IP address of _____.

Accepted Answer

A) www.example.com 
B) example.com 
C) example.edu 
D) A and B 
A) www.example.com 
B) example.com 
C) example.edu 
D) A and B B

Question 4

In manual allocation,IP addresses are assigned by DHCP _____.

Accepted Answer

A) automatically and forever,based on a first-come-first-serve basis,from a pool of addresses 
B) manually and forever on a per-host basis 
C) automatically and for a short period,based on a first-come-first-serve basis,from a pool of addresses 
D) None of the above 
A) automatically and forever,based on a first-come-first-serve basis,from a pool of addresses 
B) manually and forever on a per-host basis 
C) automatically and for a short period,based on a first-come-first-serve basis,from a pool of addresses 
D) None of the above

Question 5

Non-routable addresses are useful because _____.

Accepted Answer

A) they enable IP address reuse 
B) they enable automatic assignment of IP addresses 
C) they enable translation of host names to IP addresses 
D) they are reserved for academic use 
A) they enable IP address reuse 
B) they enable automatic assignment of IP addresses 
C) they enable translation of host names to IP addresses 
D) they are reserved for academic use

Question 6

DHCP _____.

Accepted Answer

A) automates the allocation of IP addresses 
B) enables IP address reuse 
C) translates hostnames to IP addresses 
D) defines non-routable IP addresses 
A) automates the allocation of IP addresses 
B) enables IP address reuse 
C) translates hostnames to IP addresses 
D) defines non-routable IP addresses

Question 7

The time-to-live for a DNS record specifies the _____.

Accepted Answer

A) the maximum number of hops allowed for a packet to reach the host 
B) the mean number of hops allowed for a packet to reach the host 
C) the time at which the host is expected to be taken down for maintenance 
D) the duration for which the name to IP address mapping is expected to be valid 
A) the maximum number of hops allowed for a packet to reach the host 
B) the mean number of hops allowed for a packet to reach the host 
C) the time at which the host is expected to be taken down for maintenance 
D) the duration for which the name to IP address mapping is expected to be valid

Question 8

In automatic allocation,IP addresses are assigned by DHCP _____.

Accepted Answer

A) automatically and forever,based on a first-come-first-serve basis,from a pool of addresses 
B) manually and forever on a per-host basis 
C) automatically and for a short period,based on a first-come-first-serve basis,from a pool of addresses 
D) None of the above 
A) automatically and forever,based on a first-come-first-serve basis,from a pool of addresses 
B) manually and forever on a per-host basis 
C) automatically and for a short period,based on a first-come-first-serve basis,from a pool of addresses 
D) None of the above

Question 9

Non-routable addresses are also called _____.

Accepted Answer

A) useless addresses 
B) experimental addresses 
C) hobby addresses 
D) RFC 1918 addresses 
A) useless addresses 
B) experimental addresses 
C) hobby addresses 
D) RFC 1918 addresses

Question 10

Clients locate the DHCP server on their network because _____.

Accepted Answer

A) the IP address of the DHCP server is typically programmed into the computer 
B) the DHCP DISCOVER message sent by the computer is broadcast on the network 
C) any computer on the network can act as a DHCP server 
D) the client can act as its own DHCP server 
A) the IP address of the DHCP server is typically programmed into the computer 
B) the DHCP DISCOVER message sent by the computer is broadcast on the network 
C) any computer on the network can act as a DHCP server 
D) the client can act as its own DHCP server

Question 11

All of the following are RFC 1918 address blocks except _____.

Accepted Answer

A) 10.0.0.0/ 8 
B) 172.16.0.0/ 16 
C) 192.168.0.0/ 16 
D) 118.7.8.0/ 24 
A) 10.0.0.0/ 8 
B) 172.16.0.0/ 16 
C) 192.168.0.0/ 16 
D) 118.7.8.0/ 24

Question 12

In a typical home network,the router also acts as the _____.

Accepted Answer

A) DNS server 
B) DHCP server 
C) NAT device 
D) All of the above 
A) DNS server 
B) DHCP server 
C) NAT device 
D) All of the above

Question 13

Network address translation is the method of _____.

Accepted Answer

A) allocating IP addresses automatically 
B) mapping IP addresses from one address block to another address block 
C) translating host names to IP addresses 
D) allocating IP address blocks to ISPs 
A) allocating IP addresses automatically 
B) mapping IP addresses from one address block to another address block 
C) translating host names to IP addresses 
D) allocating IP address blocks to ISPs

Question 14

Clients locate the DNS server on their network because _____.

Accepted Answer

A) the IP address of the DNS server is typically programmed into the computer 
B) all computers on the network act as DNS servers 
C) the client can typically act as its own DNS server 
D) they obtain it using DHCP at boot time 
A) the IP address of the DNS server is typically programmed into the computer 
B) all computers on the network act as DNS servers 
C) the client can typically act as its own DNS server 
D) they obtain it using DHCP at boot time

Question 15

DNS is used to _____.

Accepted Answer

A) automate the allocation of IP addresses 
B) enable IP address reuse 
C) translate hostnames to IP addresses 
D) define non-routable IP addresses 
A) automate the allocation of IP addresses 
B) enable IP address reuse 
C) translate hostnames to IP addresses 
D) define non-routable IP addresses

Question 16

A limitation of network address translation is that _____.

Accepted Answer

A) it wastes IP addresses 
B) it adds complexity to DNS 
C) it cannot be used with RFC 1918 addresses 
D) it cannot be used to assign IP addresses to servers 
A) it wastes IP addresses 
B) it adds complexity to DNS 
C) it cannot be used with RFC 1918 addresses 
D) it cannot be used to assign IP addresses to servers

Question 17

When NAT is used in home networks,RFC 1918 addresses can be reused in neighboring homes _____.

Accepted Answer

A) True 
 B)False

Question 18

___________ knows)the name to IP address mapping of all ".com" addresses.

Accepted Answer

A) The root name servers 
B) The ".com" name servers 
C) No single name server 
D) The ".edu" name server 
A) The root name servers 
B) The ".com" name servers 
C) No single name server 
D) The ".edu" name server

Question 19

Dynamic allocation by DHCP is useful for _____.

Accepted Answer

A) client PCs 
B) servers such as workstations 
C) non-server networked devices such as printers 
D) None of the above 
A) client PCs 
B) servers such as workstations 
C) non-server networked devices such as printers 
D) None of the above

Question 20

Manual allocation by DHCP is useful for _____.

Accepted Answer

A) client PCs 
B) servers such as workstations 
C) non-server networked devices such as printers 
D) None of the above 
A) client PCs 
B) servers such as workstations 
C) non-server networked devices such as printers 
D) None of the above

In a typical home network,all computers in the home are assigned IP addresses _____.

In dynamic allocation,IP addresses are assigned by DHCP _____.

The administrator for the ".com" domain is responsible for knowing the IP address of _____.

In manual allocation,IP addresses are assigned by DHCP _____.

Non-routable addresses are useful because _____.

DHCP _____.

The time-to-live for a DNS record specifies the _____.

In automatic allocation,IP addresses are assigned by DHCP _____.

Non-routable addresses are also called _____.

Clients locate the DHCP server on their network because _____.

All of the following are RFC 1918 address blocks except _____.

In a typical home network,the router also acts as the _____.

Network address translation is the method of _____.

Clients locate the DNS server on their network because _____.

DNS is used to _____.

A limitation of network address translation is that _____.

When NAT is used in home networks,RFC 1918 addresses can be reused in neighboring homes _____.

___________ knows)the name to IP address mapping of all ".com" addresses.

Dynamic allocation by DHCP is useful for _____.

Manual allocation by DHCP is useful for _____.

Introduction

Physical Layer

Data Link Layer

Network Layer

Transport Layer

Application Layer

Subnetting

Routing

Wide Area Networks

Wireless Networks

Phone Networks

Network Security

Managerial Issues

Filters

Exam 7: Support Services

In a typical home network,all computers in the home are assigned IP addresses _____.

In dynamic allocation,IP addresses are assigned by DHCP _____.

The administrator for the ".com" domain is responsible for knowing the IP address of _____.

In manual allocation,IP addresses are assigned by DHCP _____.

Non-routable addresses are useful because _____.

DHCP _____.

The time-to-live for a DNS record specifies the _____.

In automatic allocation,IP addresses are assigned by DHCP _____.

Non-routable addresses are also called _____.

Clients locate the DHCP server on their network because _____.

All of the following are RFC 1918 address blocks except _____.

In a typical home network,the router also acts as the _____.

Network address translation is the method of _____.

Clients locate the DNS server on their network because _____.

DNS is used to _____.

A limitation of network address translation is that _____.

When NAT is used in home networks,RFC 1918 addresses can be reused in neighboring homes _____.

___________ knows)the name to IP address mapping of all ".com" addresses.

Dynamic allocation by DHCP is useful for _____.

Manual allocation by DHCP is useful for _____.

Introduction

Physical Layer

Data Link Layer

Network Layer

Transport Layer

Application Layer

Subnetting

Routing

Wide Area Networks

Wireless Networks

Phone Networks

Network Security

Managerial Issues

Filters