Which Layer is Responsible for Congestion Control?
Network Layer
Datalink Layer
Transport Layer
D) Application layer
Correct Answer :
C. Transport Layer
Related Questions
A router receives an IP packet with source IP address 130.45.3.3 and destination IP address 202.23.4.16. The router cannot find the destination IP address in its routing table. Which ICMP message should be sent?
Time stamp request
Router solicitation
Destination Unreachable
Parameter problem on a datagram
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
_________ is a type of domain name queries.
Linear
Iterative
Grouped
Parallel
A network's Internet connection uses a 128-Kbps Basic Rate Interface (BRI). What type of connection is this?
DSL
Cable modem
ISDN
T1
The general form of the SMTP destination address is ________________.
user% remote-host@gateway-host
user@host
local-part@domain-name
None of the above
Thinnet coaxial cable uses what type of connector?
RJ-45
AUI
MSAU
BNC
In flags message attribute, which of the following flag indicates that message has been
completed?
\Deleted
\Recent
\Flagged
\Draft
DSL stands for ------------------------
data subscriber lines
dual subscriber lines
delay subscriber lines
digital subscriber lines
In TCP segment format _______indicates start of data.
RST
ACK
URG
Data Offset
What is the default subnet mask for a class B network?
255.0.0.0
255.255.0.0
255.255.255.0
255.255.192.0
Which type of BGP message is sent by a system to notify another router of the senders existence?
Keep-alive
Notification
Open
Update
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
What is attenuation?
cable noise
cable shortage
loss of signal strength
unwanted signals on the network
Which layer use User Datagram Protocol (UDP) and Transmission Control Protocol (TCP)?
Network layer
Physical layer
TCP/IP transport layer
Data link layer
OSPF is based on …………………
Distance vector routing
Path vector routing
Link state routing
both a and b
ADSL uses high-speed Internet service phone lines
True.
False.
At which layer of the OSI model do FTP, SMTP, POP3, and HTTP function?
Physical
Network
Transport
Application
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
Which function is not supported by E-mail?
authentication
composition
Disposition
Displaying
What is the length of MARKER field in BGP message header?
1 byte
2 byte
16 byte
19 byte
What does a patch cable connect to within an Ethernet network?
The patch panel to the hub
The patch panel to the wall jack
The wall jack to the computer
The NIC directly to another computer's NIC
Which cable type is immune to outside interference and crosstalk?
Thinnet
Thicknet
Twisted pair
Fiber optic
Which of these is a feature of hubs?
Hubs amplify the incoming signal.
Hubs understand frames, packets or headers
All lines coming into a Hub must operate at a same speed.
all of these
Twisted-pair cable uses what type of connector?
RJ-11
XT-20
RJ-45
RJ-50
What layer of the OSI protocol reference model does a bridge operate under?
Physical
Data-link
Network
Transport
AppleTalk protocol configures hosts in zones on the network.
True.
False.
Destination physical address in ARP request is a ………………………….address.
Unicast
Broadcast
Multicast
Anycast
------------------- is/ are caused by the random motion of the electrons in a wire and is unavoidable.
Dispersion
Thermal noise
Delay distortion
all of these
Class C network address class supports 65,534 hosts.
True.
False.
Which of the following provides a structure for conveying message through TCP/IP network
to host?
Address Resolution protocol (ARP)
Internet Control Message Protocol (ICMP)
Bootstrap Protocol (BOOTP)
Dynamic Host Configuration Protocol (DHCP)