Which piece of equipment operates at both the data-link and network layers?
Hub
Bridge
Brouter
Router
Correct Answer :
C. Brouter
Related Questions
The worldwide Internet is a well-known example of ------------------.
PAN
Subnet
Intra-Network
Inter-network
17. Which of the following use default routes for inter-domain routing?
Type 2
Type 4
Type 3
Type 1
--------------- is/are used for error detection.
Parity bit
checksum
both A) and B)
neither A) nor B).
Class C network address class supports 65,534 hosts.
True.
False.
The generic domain name for air transport industry is ________.
biz
air
aero
fly
_____________ command is used by the client to transfer the job across to the server.
Any upper layer protocol
User datagram protocol
Transmission Control protocol
Remote Shell protocol
When collection of various computers seems a single coherent system to its client, then it is called
computer network
distributed system
both (a and (b
none of the mentioned
Which type of connector is used on 10Base2 networks?
SC
BNC
RJ-45
RJ-11
Network administrator checks whether all the devices connected to the end-to-end path
are _________-enabled.
Any cast
Broadcast
Unicast
Multicast
What is attenuation?
cable noise
cable shortage
loss of signal strength
unwanted signals on the network
In TCP segment format _______indicates start of data.
RST
ACK
URG
Data Offset
preamble field of 802.3 frames is encoded using ------------------- encoding
Manchester
differential Manchester
Bi polar
uni polar
802.5 project standard defines Token Ring.
True.
False
In which of the following states after selecting a mailbox, actions can be taken against the
mail within the mailbox?
Non-authenticated state
Authenticated state
Selected state
Logout state
Which class of IP addressing was not brought in much use?
Class A addresses
Class D addresses
Class B addresses
Class C addresses
Internet Architecture Board (IAB) governs which of the following bodies?
Internet Assigned Number Authority (IANA)
Internet Research Task Force (IRTF)
Internet Engineering Task Force (IETF)
All of the above
A financial institution that issues the card to the purchaser is ________.
Merchant
Issuer
Acquirer payment gateway
Cardholder
Which is the port used by HTTPS?
123
143
69
443
Your Web server is also configured as an FTP server. What part of the data packet will tell the server which application the data is meant for?
Port
IP address
MAC address
Frame header
Videoconferencing is an example for…………………… communication
Simplex
Half duplex
Full duplex
serial
You've taken your Windows 2000 laptop to a client's network and plugged it in. Your computer is configured for an IP network over 100BaseT using DHCP. You can't connect, even though the client says that DHCP is working on his 100BaseT network. What should
Use Ipconfig /release to release the old DHCP address.
Use Winipcfg and click Release to release the old DHCP address.
Use Ifconfig to initialize the NIC.
Use Tracert to determine the problem.
Which is the port used by POP3?
69
110
143
443
Pure ALOHA has a maximum throughput of -----------
16.4 %
18.4 %
7.4 %
1 %
What can be used in the place of DNS to resolve host names to IP addresses?
WINS
LMHosts
Hosts
DHCP
If user A wants to send an encrypted message to user B, the plaintext is encrypted with the public key of ………….
Skeleton
Private
Public
Symmetric
Using a class B address maximum of …………………networks can be defined with up to……………………..hosts per networks.
2,097,152-------------254
16,384-----------------65,536
16,384---------------65,534
126--------------------16,777,214
FDDI operates on 100 Mbps.
True.
False.
TCP protocol is responsible for connection-oriented communication
True.
False.
Which of the following can provide a backbone network of 600 meters in length without using repeaters?
10BaseT
100BaseT
10Base5
100BaseFX
Which OSI model layer provides for encryption and decryption of data?
Data-link
Transport
Presentation
Application