In TCP segment format _______indicates start of data.
RST
ACK
URG
Data Offset
Correct Answer :
D. Data Offset
Related Questions
You're configuring a dial-up connection to an ISP. Which of the following protocols is used?
PPTP
PPP
VPN
IPSec
What can be used in the place of DNS to resolve host names to IP addresses?
WINS
LMHosts
Hosts
DHCP
Which of the following protocols are considered unreliable or connectionless?
UDP
TCP
FTP
TFTP
_________ is a type of domain name queries.
Linear
Iterative
Grouped
Parallel
In TCP segment format _______indicates start of data.
RST
ACK
URG
Data Offset
In the symmetric-key method of cryptography, which key is publicly known?
Encryption key only
Decryption key only
Both
None of the above
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
________is a multicast extension to OSPF Version 2.
Multicast Source Discovery Protocol (MSDP)
Distance Vector Multicast Routing Protocol (DVMRP)
Multicast OSPF (MOSPF)
Internet Group Management Protocol (IGMP)
…………………………..combines characteristics of linear bus and star topologies.
Ring topology
A hybrid topology
A tree topology
mesh topology
In FTP, to execute a file transfer, the user begins by _________.
Navigating the directory structure
Connecting to a remote host
Listing files available for transfer.
Defining the transfer mode
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
What is the maximum size of IP header in the UDP Datagram format?
40 bytes
50 bytes
60 bytes
70 bytes
127.0.0.1 address is reserved for internal loopback functions.
True.
False.
What is the maximum frame size of a frame relay?
< or = to 1600 octets
> or = to 1800 octets
< or = to 1800 octets
> or = to 1600 octets
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
What is the maximum length of thick Ethernet cable before a signal booster is needed?
500 feet
500 meters
1000 feet
2 miles
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
17. Which of the following use default routes for inter-domain routing?
Type 2
Type 4
Type 3
Type 1
Pure ALOHA has a maximum throughput of -----------
16.4 %
18.4 %
7.4 %
1 %
In Integrated services model, ________ corresponds to token bucket filter.
Bspec
Filter spec
Rspec
Tspec
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 of the following can be used to transfer files from a Unix server?
FTP
Telnet
IPX
Netstat
ARP is defined in RFC _____ and it is a current internet standard, ________
RFC-37, STD 903
RFC-903, STD 37
RFC 826; STD 37
RFC 37; STD 826
Which of the following provides the service for any casting?
IPV5
IPV6
IPV7
IPV8
What is attenuation?
cable noise
cable shortage
loss of signal strength
unwanted signals on the network
DSL stands for ------------------------
data subscriber lines
dual subscriber lines
delay subscriber lines
digital subscriber lines
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
In Secure Electronic Transaction, the description of the purchase and cost is contained in
________ message.
Authorization
Purchase order
Inquiry
Capture
FDDI operates on 100 Mbps.
True.
False.
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