In Secure Electronic Transaction, the description of the purchase and cost is contained in
________ message.
Authorization
Purchase order
Inquiry
Capture
Correct Answer :
A. Authorization
Related Questions
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
Which of the following IEEE specifications uses CSMA/CD?
802.2
802.3
802.5
802.11b
Which of the following can be used to transfer files from a Unix server?
FTP
Telnet
IPX
Netstat
Which function is not supported by E-mail?
authentication
composition
Disposition
Displaying
In ________ routing, the tunnel creates a bridge through areas that do not support
multicast traffic.
Internet
MBONE
Border Gateway Protocol
Multicast OSPF
Which layer use User Datagram Protocol (UDP) and Transmission Control Protocol (TCP)?
Network layer
Physical layer
TCP/IP transport layer
Data link layer
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
A modem is a card within a PC that converts the …………... the computer produces to ………………….. that can pass over telephone system.
Data, signal
Analog signal, digital signal
Digital signal, analog signal
signal, data
Which of the following SIP request terminates a call?
ACK
BYE
INVITE
CANCEL
DSL stands for ------------------------
data subscriber lines
dual subscriber lines
delay subscriber lines
digital subscriber lines
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 based on resources that are present within the Diffserv region.
Admission control
Packet scheduler
Packet classifier
Packet control
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
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
ADSL uses high-speed Internet service phone lines
True.
False.
Which of the following can provide a backbone network of 600 meters in length without using repeaters?
10BaseT
100BaseT
10Base5
100BaseFX
802.5 project standard defines Token Ring.
True.
False
What is the maximum length of thick Ethernet cable before a signal booster is needed?
500 feet
500 meters
1000 feet
2 miles
Where are routing tables placed?
in network interface card
in routers memory
in server memory
in a subnets memory
What is the pattern of a preamble?
11110000
11111111
00000000
none of these
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
Your Web server is also configured as an FTP server. What part of the data packet will tell the server which application the data is meant for?
Port
IP address
MAC address
Frame header
Which of the following protocols use a topology table to install routes into the IP routing
table?
Open Shortest Path First (OSPF)
Enhanced Interior Gateway Routing Protocol (EIGRP)
Exterior Gateway Protocol (EGP)
Static routing protocols
Which of the following is the IEEE specification for wireless networks?
802.3
802.5
802.2
802.11b
Which of the following provides control over multimedia sessions?
Session Initiation Protocol (SIP)
Session Description Protocol (SDP)
Session Announcement Protocol (SAP)
Real-time Control Protocol (RTCP)
Thick Ethernet cable uses what type of connector? Select all that apply.
RJ-45
AUI
DB-15
BNC
_____________________ are set up to fulfill service ordering, service assurance, and
billing functions.
IPTV server
Users
Content servers
Complex Operation Support Systems (OSS)
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
In an authentication using symmetric keys, if 10 people need to communicate, we need _______ keys.
90
10
20
45
TCP protocol is responsible for connection-oriented communication
True.
False.