WorksheetsComputer Network Midterm Revision
Total questions: 30
Worksheet time: 15mins
What does LAN stand for?
Local Area Name
Local Area Network
Local Arm Networking
Local Air Network
What are the IETF standards documents called?
DFC
ID
RCF
RFC
In the layer hierarchy, as the data packet moves from the upper to the lower layers, what happens to the headers
Added
Removed
Rearranged
Modified
Which of these is not a network edge device?
Smartphone
PC
Switch
Server
Which is a set of rules that governs data communication?
Standards
Protocols
RFCs
Servers
What is a home computer network is sometimes called?
WAN
LAN
MAN
Internet
You are now in Vietnam. When you play a game against a friend in London, what do you use?
WAN
LAN
MAN
Internet
What is a client?
A client is any computer in a network
A client is a single computer that is not connected to any other.
A client is the central hub in a network.
None is correct
What is a server?
None is correct
A server is a single computer that is not connected to any other.
A server is any computer in a network
A server is a powerful computer that acts as a central hub in a network
Which of these would be a benefit of having a network?
Sharing hardware, software, and data
Preventing any viruses from spreading from computer to computer
Preventing computers from being hacked.
None is correct
What is the time required to propagate from the beginning of the link to router B called?
propagation delay
processing delay
transmission delay
queueing delay
What is the time required to examine the packet's header and determine where to direct the packet called?
propagation delay
processing delay
transmission delay
queueing delay
What part of the internet are end systems found?
Network edge
Bottleneck link
Access networks
Network core
Which occurs when either a packet arriving or an already-queued packet is dropped?
propagation delay
packet loss
transmission delay
queueing delay
A TCP connection between a client and a server requires a minimum of how many RTTs?
2
3
4
5
In the Internet, what is the host identified by?
IP address
DNS
Socket
MAC address
Which type of HTTP connection keeps connections open after a request to the server?
persistent connections
canonical hostname
non-persistent with parallel connections
non-persistent connections
Which type of HTTP connection that closes after each request from the client?
Persistent Connections with Pipelining
Persistent Connections without Pipelining
Persistent Conn
Non-Persistent Connections
Which is one of the most compelling features of P2P architectures?
self-scalability
always-on server
permanent IP address
communicate with the server
What is HTTP server port number?
80
90
100
110
Which type of topology is best suited for large businesses which must carefully control and coordinate the operation of distributed branch outlets?
Star
Ring
LAN
Hub
Which of the following transmission directions listed is not a legitimate channel?
Double Duplex
Half Duplex
Full Duplex
None is correct
What is the location of a resource on the internet given by?
URL
protocol
ICQ
What does the term HTTP stand for?
Hypertext transfer program
Hyper terminal tracing program
Hypertext transfer protocol
Hypertext tracing protocol
Which one of the following is a valid email address?
java@books
gmail.com
javat@point.com
tpoint@.com
What does the term FTP stand for?
File transfer protection
File transfer protocol
File transfer program
File transmission protocol
When the mail server sends mail to other mail servers, what does it become?
SMTP client
SMTP server
Peer
Master
What is the length of an IPv4 address?
32 bits
33 bits
34 bits
64 bits
What does the term WAN stand for?
Wide Area Net
Wide Area Network
Wide Access Network
Wide Access Net
Which of the through is sharing the data of two computers?
Network
library
System
Integrated system
