A Learning Portal from Recruitment India
A Learning Portal from Recruitment India
In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are:
Added
Removed
Rearranged
Modified
Answer with explanation
Answer: Option AExplanation
Every layer adds its own header to the packet from previous layer
Workspace
What is the meaning of Bandwidth in the Network?
Transmission capacity of communication channels
Connected Computers in the Network
Class of IP used in Network
None of Above
Answer with explanation
Answer: Option AExplanation
Transmission capacity of communication channels
Workspace
Satellite-Switched Time-Division Multiple Access (SS/TDMA) is
the method of determining which device has access to the transmission medium at any time.
a medium access control technique for multiple access transmission media
a form of TDMA in which circuit switching is used to dynamically change the channel assignments
All of the above
Answer with explanation
Answer: Option CExplanation
a form of TDMA in which circuit switching is used to dynamically change the channel assignments
Workspace
Two devices are in network if
a process in one device is able to exchange information with a process in another device
a process is running on both devices
PIDs of the processes running of different devices are same
none of the mentioned
Answer with explanation
Answer: Option AExplanation
a process in one device is able to exchange information with a process in another device
Workspace
What is the use of LAN bridges in the network?
Provides real-time and non real-time services.
Checks the MAC address of source and destination.
Provides broadband ISDN for the data packets.
None of the above
Answer with explanation
Answer: Option BExplanation
Checks the MAC address of source and destination.
Workspace
DHCP is the abbreviation of
Dynamic Host Control Protocol
Dynamic Host Configuration Protocol
Dynamic Hyper Control Protocol
Dynamic Hyper Configuration Protocol
Answer with explanation
Answer: Option BExplanation
Dynamic Host Configuration Protocol
Workspace
The Internet Control Message Protocol (ICMP)
reports error conditions to the original source, the source must relate errors to individual application programs and take action to correct the problem
provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another
allows gateways to send error a control messages to other gateways or hosts
All of the above
Answer with explanation
Answer: Option DExplanation
all of the above
Workspace
National Internet Service Provider (ISP) networks are connected to one another by private switching stations called
Peering Points
Network Access Points
National ISP
Regional ISP
Answer with explanation
Answer: Option AExplanation
Peering Points
Workspace
Which of the following transport layer protocols is used to support electronic mail?
SMTP
IP
TCP
UDP
Answer with explanation
Answer: Option CExplanation
E-mail uses SMTP as an application layer protocol. SMTP uses TCP as a transport layer protocol.
Workspace
What is the difference between forwarding and routing?
Forwarding does not transmit data on outgoing links, but routing does.
Forwarding is used in telephony while routing is used in all networks.
Forwarding finds a suitable path for a packet than routing.
Forwarding is a part of decision making while routing is not.
Answer with explanation
Answer: Option BExplanation
Forwarding is used in telephony while routing is used in all networks.
Workspace
