WorksheetsNetworks Lab
Total questions: 30
Worksheet time: 30mins
Several computers linked to a server to share programs and storage space.
Library
Network
Grouping
Integrated system
Which of the following device is used to connect two systems, especially if the systems use different protocols?
Repeater
Bridge
Gateway
Hub
The collection of links throughout the Internet creates an interconnected network called the
WWW
Web
Wide Area Web
All of the above
What device separates a single network into two segments but lets the two segments appear as one to higher protocols?
Switch
Router
Bridge
Gateway
A ____ is a set of rules.
Resource locator
Protocol
Domain
URL
Checksum is used for
Error Correction
Error Detection
Both
None
What is the port number of the HTTP?
80
25
23
20/21
A Collection of interconnected Networks is called as_____
internet
intranet
Topology
Interface
For large networks _____ topology is used
bus
ring
star
irregular
Protocols in which the sender sends one frame and then waits for an acknowledgement before proceeding are called____
sliding window
stop and wait
frame buffer
analog
which one of the following task is not done by data link layer?
framing
error control
flow control
channel coding
Protocols in which the sender waits for a positive acknowledgement before advancing into the next data item are often called as
ARQ
PPR
ARS
PRP
The commonly used protocols for web page Data Transfer is ____
HTML
HTTP
WML
WTTP
To deliver a message to the correct application program running on a host, the ___ address must be consulted.
port
IP
physical
Tunnel
Ping command works on which Protocol?
ICMP
TCP
UDP
IP
MAC addressing works in ______
physical layer
Datalink Layer
transport layer
Session Layer
IP addressing works in ______
Network layer
Application layer
Transport layer
Physical Layer
Which one of the following is a Connectionless Protocol?
UDP
Ethernet
IPX
All of the above
A DNS client is called _________
DNS updater
DNS resolver
DNS handler
none of the mentioned
What is the main advantage of UDP?
More overload
Reliable
Low overhead
Fast
Which of the following is false with respect to UDP?
Connection-oriented
Unreliable
Transport layer protocol
Low overhead
Connection establishment in TCP is done by which mechanism?
Flow control
Three-Way Handshaking
Forwarding
Synchronization
In TCP, sending and receiving data is done as _______
Stream of bytes
Sequence of characters
Lines of data
Packets
Communication offered by TCP is ________
Full-duplex
Half-duplex
Semi-duplex
Byte by byte
The first line of HTTP request message is called _____________
Status line
Request line
Header line
Entity line
What is a web browser?
a program that can display a web page
a program used to view html documents
it enables user to access the resources of internet
all of the mentioned
Retransmission of packets must not be done when _______
Packet is lost
Packet is corrupted
Packet is needed
Packet is error-free
FTP is built on _____ architecture.
Client-server
P2P
Data centric
Service oriented
FTP server _____________
Maintains state information
Is stateless
Has single TCP connection for a file transfer
Has UDP connection for file transfer
The client in socket programming must know which information?
IP address of Server
Port number
Both IP address of Server & Port number
Only its own IP address
