Which of the following SIP request terminates a call?
ACK
BYE
INVITE
CANCEL
Correct Answer :
B. BYE
Related Questions
The key concern in the design of transmission system is -------------- and ---------------
data rate ,distance
speed, accuracy
accuracy, simplicity
distance , cost
Which of the following filed represents the sender of the message in an electronic mail?
To
From
Cc
Reply-to
Which layer of the OSI model does a switch operate in?
Physical
Data-link
Network
Transport
What is attenuation?
cable noise
cable shortage
loss of signal strength
unwanted signals on the network
What is used to boost a digital signal?
amplifier
digi-booster
multiplexer
booster
In Secure Electronic Transaction, the description of the purchase and cost is contained in
________ message.
Authorization
Purchase order
Inquiry
Capture
What layer of the OSI protocol reference model does a bridge operate under?
Physical
Data-link
Network
Transport
In 1996, 36.44% of _________ addresses were brought in use.
Class A
Class D
Class B
Class C
What is the distance limitation of Cat5 UTP?
1 km
100 km
100 m
100 foot
Which of the following are not the standard representations defined by Telnet protocol?
IP and AO
YTA and WAY
EC and EL
SYNCH
If the organization allocates 10 bits as subnet number, to identify a physical network, then the organization can have at the most……………. networks and each of these networks that can support only…………………...hosts.
1022 networks, 62 hosts.
62 networks, 1022 hosts.
4094 networks, 14 hosts.
14 networks, 4094 hosts.
________acts as source and destination for IP traffic.
Interface
Node
Host
Router
802.5 project standard defines Token Ring.
True.
False
_______ body looks after the protocol identifiers used over Internet.
Transmission Control Protocol
Telnet protocol
Internet Protocol
Network Control Protocol
The Hamming Distance for the codes generated using either even or odd parity will be------------------
2
4
1
0
What is the default subnet mask for a class A network?
255.0.0.0
255.224.0.0
255.255.0.0
255.255.255.0
Which of these cable is/are used to connect devices to hubs and switches.
crossover
straight-through
co-axial
both A) and B)
What is the maximum length of twisted-pair cable before a signal booster is needed? Select all that apply.
25 meters
100 meters
328 feet
1000 feet
Internet e-mail system based on the ……………………………………………..
FTP
Simple Mail Transfer Protocol (SMTP)
POP
Both SMTP and POP
This mapping of name to IP address is done by …………………………….
Address resolution protocol
Domain name server
reverse address resolution protocol
Ethernet
You have a network card with the connector in question 43, and it also has a 9 pin female connector. What type of card is it?
ethernet
token ring
fiber optic
ipx/spx
What is the maximum length of thick Ethernet cable before a signal booster is needed?
500 feet
500 meters
1000 feet
2 miles
____________ developed to provide a loop-free method of exchanging routing information
between autonomous systems.
Enhanced Interior Gateway Routing Protocol (EIGRP)
User Datagram Protocol (UDP)
Border Gateway Protocol (BGP)
User Datagram Protocol (UDP)
A network's Internet connection uses a 128-Kbps Basic Rate Interface (BRI). What type of connection is this?
DSL
Cable modem
ISDN
T1
Which is the port used by POP3?
69
110
143
443
Telnet protocol uses ___________ representation for the function Synchronize.
SYC
SYNCH
SNZ
SY
To communicate across a TCP/IP network, you must have a DNS server and DNS clients installed.
True.
False.
How many table entries are supported by global routing table in CIDR?
90,000
80,000
70,000
60,000
Identify the topology and network type that uses a central hub with cables connected to workstations.
Physical star topology, Ethernet
Physical bus topology, Ethernet
Physical ring topology, token ring
Physical ring topology, Ethernet
Which of the following protocols are considered unreliable or connectionless?
UDP
TCP
FTP
TFTP