The general form of the SMTP destination address is ________________.
user% remote-host@gateway-host
user@host
local-part@domain-name
None of the above
Correct Answer :
C. local-part@domain-name
Related Questions
This mapping of name to IP address is done by …………………………….
Address resolution protocol
Domain name server
reverse address resolution protocol
Ethernet
Which of the following defines a family of standards for 100 Mbps fiber optic LANs that
provides the physical layer and media access control sub-layer of the data link layer, as
defined by the ISO/OSI Model?
Ethernet
IEEE 802
Fiber Distributed Data Interface (FDDI)
Point-to-Point Protocol (PPP)
Which class does the IP address 202.119.22.31 belong to?
Class A
Class B
Class C
APIPA
Which of the following connectors is used by UTP on a Fast Ethernet network?
ST
BNC
RJ-45
RJ-11
You're configuring a dial-up connection to an ISP. Which of the following protocols is used?
PPTP
PPP
VPN
IPSec
Which directory service is used in Windows 2000 Server?
Active Directory
SAM
NDS
Bindery
Which OSI model layer provides for encryption and decryption of data?
Data-link
Transport
Presentation
Application
Which of the following protocols is described in RFC 793?
Address Resolution Protocol (ARP)
Transmission Control Protocol (TCP)
Bootstrap Protocol (BOOTP)
User Datagram Protocol (UDP)
In ----------------------- configuration, the switch begins to forward the packet as soon as it is received. No error checking is performed on the packet, so the packet is moved through very quickly.
cut-free
franment-free
store-and-forward
cut-through
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
T1 makes up 24 channels.
True.
False.
What is the default port for Telnet?
23
21
25
80
Pure ALOHA has a maximum throughput of -----------
16.4 %
18.4 %
7.4 %
1 %
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 provides the service for any casting?
IPV5
IPV6
IPV7
IPV8
____________ 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)
Which of the following use default routes for inter domain routing?
Type 2
Type 4
Type 3
Type 1
At which layer of the OSI model do FTP, SMTP, POP3, and HTTP function?
Physical
Network
Transport
Application
In distance vector routing an active router sends out information ………………………….
Only when there is a change in its table
Only when a new host is added
At regularly scheduled intervals
Only when a new network is added
80 is the well-known port number for the HTTP service.
True.
False.
A time exceeded message is generated if ………………………………………………….
The round trip time between hosts is close to zero.
The Time-to Live field has a zero value.
Fragments of a message do not arrive within a set time
both b & c
Which cable type is immune to outside interference and crosstalk?
Thinnet
Twisted pair
Fiber optic
Thicknet
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
Which class of IP addressing was not brought in much use?
Class A addresses
Class D addresses
Class B addresses
Class C addresses
Class C network address class supports 65,534 hosts.
True.
False.
How many number of host/machine can be attached to a network using a class B address?
65,536
128
256
16,777,216
Which is the port used by HTTPS?
123
143
69
443
Which directory service is used in Windows 2000 Server?
Active Directory
SAM
NDS
Bindery
Which Layer is Responsible for Congestion Control?
Network Layer
Datalink Layer
Transport Layer
D) Application layer
…………………… have a single communication channel that is shared by all the users on the network.
Point-to-point
Broadcast networks
Protocol
PAN