Question: The pull model of communication used on the web means that:
Answer Choices:
None of the above
Web sites are ranked based on how many visitors they pull in every month
Site administrators must pull content on their web sites from other sites
End users must choose to pull down content on web pages
Answer: End users must choose to pull down content on web pages
Question: In IPv6, the source and destination address fields are _____ bits long:
Answer Choices:
96
128
32
64
Answer: 128
Question: The data link is responsible for sending data between:
Answer Choices:
None of the above
Devices on neighboring networks
Devices on a single network
Devices anywhere on the internet
Answer: Devices on a single network
Question: The binary representation of the decimal number 212 is:
Answer Choices:
10110100
10111000
11010100
Answer: 11010100
Question: All of the following are examples of using broadcasting to transmit data, except:
Answer Choices:
A letter in the mail addressed to a friend
Junk mail
College classroom
Satellite radio transmission
Answer: A letter in the mail addressed to a friend
Question: Clients locate the DNS server on their network because:
Answer Choices:
The IP address of the DNS server is typically programmed into the computer
All computers on the network act as DNS servers
The client can typically act as its own DNS server
They obtain it using DHCP at boot time
Answer: They obtain it using DHCP at boot time
Question: The novelty of the Telegraph was that:
Answer Choices:
It allowed people to talk to each other
It allowed instantaneous long-distance communication over a wire
It allowed users to draw graphs
It allowed one wire to connect a user to multiple destinations
Answer: It allowed instantaneous long-distance communication over a wire
Question: A communication socket or Internet socket is defined by s/n:
Answer Choices:
None of the above
IP address and port address together
Port address
IP address
Answer: IP address and port address together
Question: An organization with a /20 CIDR address block can have at most:
Answer Choices:
512 hosts
4096 hosts
1024 hosts
2048 hosts
Answer: 4096 hosts
Question: An autonomous system is:
Answer Choices:
A collection of end users
A collection of switches
A collection of routers under one administrative entity
Another name for a router
Answer: A collection of routers under one administrative entity
Question: An organization with a class B network address has 200 subnets. Each subnet in this organization can have at most ______ bits for the host ID.
Answer Choices:
9
6
8
7
Answer: 6
Question: UDP can be useful for all cases except:
Answer Choices:
Ordered and reliable delivery is required for an application
Ordered and reliable delivery is not necessary for an application
Large quantities of data are to be transferred
Small quantities of data are to be transferred
Answer: Ordered and reliable delivery is required for an application
Question: A network address is 131.247.160.0/19. The 19 implies that
Answer Choices:
19 bits are reserved for the host part of IP addresses on the network
19 bits are reserved for the network part of IP addresses on the network
There are 19 subnets in the network
There are 19 IP addresses available on the network
Answer: 19 bits are reserved for the network part of IP addresses on the network