Which of the following headers does a router look at to find how to route a data packet?
Ethernet frame header
MAC address
Application header
IP header
Correct Answer :
D. IP header
Related Questions
Which of the following is a media type that is most susceptible to interference?
Shielded twisted pair (STP)
Fiber optics
Unshielded twisted pair (UTP)
Coaxial
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.
You wish to install a 100BaseT network. What type of cabling will you use?
CAT 3 UTP
CAT 5 UTP
Thinnet
Fiber optic
Which of the following pieces of equipment will receive a packet from one port and forward that packet out the one port to which the destination computer is connected?
Hub
MAU
Switch
TDR
------------------- is/ are caused by the random motion of the electrons in a wire and is unavoidable.
Dispersion
Thermal noise
Delay distortion
all of these
Which layer of the OSI model does a switch operate in?
Physical
Data-link
Network
Transport
Which class does the IP address 202.119.22.31 belong to?
Class A
Class B
Class C
APIPA
You're configuring a dial-up connection to an ISP. Which of the following protocols is used?
PPTP
PPP
VPN
IPSec
Which of the following provides the service for any casting?
IPV5
IPV6
IPV7
IPV8
AppleTalk protocol configures hosts in zones on the network.
True.
False.
Which of the following is the port used by SMTP?
21
23
25
80
Select the class C IP address from the following:
122.10.8.25
170.5.88.2
191.5.26.1
207.67.112.55
The key concern in the design of transmission system is -------------- and ---------------
data rate ,distance
speed, accuracy
accuracy, simplicity
distance , cost
What is the IEEE specification for Ethernet?
802.1
802.2
802.3
802.4
You're asked to install a Citrix MetaFrame XP server. What protocol will clients use to connect and run graphical terminal emulation to the new server?
ICA
Telnet
RAS
HTTP
Which directory service is used in Windows 2000 Server?
Active Directory
SAM
NDS
Bindery
Which of the following protocol was developed to overcome limitations of Routing
Information Protocol (RIP)?
Border Gateway Protocol (BGP)
Exterior Gateway Protocol (EGP)
Enhanced Interior Gateway Routing Protocol (EIGRP)
Open Shortest Path First (OSPF)
Which of the following is the port used by SMTP?
21
23
25
80
Strings enclosed in _______ quotation marks indicate single tokens.
Alphanumeric
Morse code
ASCII
Binary
Which field in Domain Name System message format specifies the class of query?
Type
Class
Rdlength
Rdata
How many layers are there in the OSI model?
4
5
6
7
Which of the following filed represents the sender of the message in an electronic mail?
To
From
Cc
Reply-to
BGP is …………………………………….routing protocol used to ………………………….routing table.
intrautonomous system, update
Interautonomous system, update
Interautonomous system, create
intrautonomous system, create
The general form of the SMTP destination address is ________________.
user% remote-host@gateway-host
user@host
local-part@domain-name
None of the above
Which is the port used by POP3?
69
110
143
443
Which class of IP addressing was not brought in much use?
Class A addresses
Class D addresses
Class B addresses
Class C addresses
What is used to boost a digital signal?
amplifier
digi-booster
multiplexer
booster
Which of these cable is/are used to connect devices to hubs and switches.
crossover
straight-through
co-axial
both A) and B)
How many 64-Kbps channels are used on an ISDN BRI?
1
2
3
4
E-mail is an example of ………………………… mode of communication where one party can send a note to another person and the recipient need not be online to receive the e-mail.
asynchronous
synchronous
full duplex
either A or B