Which is the port used by POP3?
69
110
143
443
Correct Answer :
B. 110
Related Questions
Which type of BGP message is sent by a system to notify another router of the senders existence?
Keep-alive
Notification
Open
Update
________acts as source and destination for IP traffic.
Interface
Node
Host
Router
AppleTalk protocol configures hosts in zones on the network.
True.
False.
Which of the following is required to communicate between two computers?
Communications software
Protocol
Communication hardware
All of the above including access to transmission medium
A network's Internet connection uses a 128-Kbps Basic Rate Interface (BRI). What type of connection is this?
DSL
Cable modem
ISDN
T1
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
80 is the well-known port number for the HTTP service.
True.
False.
Which layer of the OSI model does a switch operate in?
Physical
Data-link
Network
Transport
What are the subnet mask in dotted decimal notation for /20 networks?
255.255.252.0
255.255.255.0
255.255.254.0
255.255.240.0
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 have a network card with the connector in question 43, and it also has a 15 pin female connector, the pins being in two rows. What type of card is it?
ethernet
token ring
arcnet
dlc
Which of the following is defined in RFC 4366?
Secure File Trasfer Protocol (SFTP)
Trivial File Transfer Protocol (TFTP)
File Transfer Protocol (FTP)
Transport Layer Security (TLS)
Which of the following filed represents the sender of the message in an electronic mail?
To
From
Cc
Reply-to
Which of the following is also known as IP masquerading?
Fiber Distributed Data Interface (FDDI)
Network Address Translation (NAT)
Classless Inter-Domain Routing (CIDR)
None of the above
This mapping of name to IP address is done by …………………………….
Address resolution protocol
Domain name server
reverse address resolution protocol
Ethernet
25 is used by SMTP
True.
False.
Which of the following protocols is not routable?
TCP/IP
IPX/SPX
AppleTalk
NetBEUI
Which cable type is immune to outside interference and crosstalk?
Thinnet
Twisted pair
Fiber optic
Thicknet
The worldwide Internet is a well-known example of ------------------.
PAN
Subnet
Intra-Network
Inter-network
Which class does the IP address 202.119.22.31 belong to?
Class A
Class B
Class C
APIPA
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
You are browsing www.microsoft.com on a machine named host.contoso.org.. What is the order of domain name resolution?
Contoso.com, contoso.org, microsoft.com, com
Contoso.com, org, microsoft.org, org
Contoso.org, org, root [.], com, microsoft.com
Microsoft.com, com, org, contoso.org
Which of the following algorithms are meant for establishing the paths through the network?
Unicast
Broadcast
Multicast
Any cast
Which of the following SIP request terminates a call?
ACK
BYE
INVITE
CANCEL
In Integrated services model, ________ corresponds to token bucket filter.
Bspec
Filter spec
Rspec
Tspec
ICMP messages require ………………. levels of encapsulation
One
Two
Three
Four
The packet transmit using standard Internet Protocol(IP) throughout the Internet by
Circuit switching
Packet switching
Message switching
None of the above.
The network interface layer specifies how to organize data into………………………..and Internet layer specifies the format of …………………….. Sent across an Internet.
Bits, message.
frame,packet.
packet, messge.
datagram, packet.
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
The general form of the SMTP destination address is ________________.
user% remote-host@gateway-host
user@host
local-part@domain-name
None of the above