In the IP address 129.2.8.9, what does 129.2 specify?
Protocol address
Router address
Host number
Network number
Correct Answer :
D. Network number
Related Questions
Which cable type is immune to outside interference and crosstalk?
Thinnet
Twisted pair
Fiber optic
Thicknet
Destination physical address in ARP request is a ………………………….address.
Unicast
Broadcast
Multicast
Anycast
Which of the following request in Session Initiation Protocol (SIP) queries the capabilities of
servers?
CANCEL
ACK
OPTIONS
PRACK
----------------is a static algorithm in which every incoming packet is sent out on every outgoing line except the one it arrives on.
Distance vector
Congestion
Link state routing
Flooding
To communicate across a TCP/IP network, you must have a DNS server and DNS clients installed.
True.
False.
You've taken your Windows 2000 laptop to a client's network and plugged it in. Your computer is configured for an IP network over 100BaseT using DHCP. You can't connect, even though the client says that DHCP is working on his 100BaseT network. What should
Use Ipconfig /release to release the old DHCP address.
Use Winipcfg and click Release to release the old DHCP address.
Use Ifconfig to initialize the NIC.
Use Tracert to determine the problem.
A network's Internet connection uses a 128-Kbps Basic Rate Interface (BRI). What type of connection is this?
DSL
Cable modem
ISDN
T1
127.0.0.1 address is reserved for internal loopback functions.
True.
False.
Which of the following delivery methods works with only one source and one destination? Multicast
Multicast
Broadcast
Unicast
Any cast
FTP servers by default listen on port ________ for incoming connections from FTP clients.
20
21
23
25
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 port for Telnet?
23
21
25
80
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)
In the IP address 129.2.8.9, what does 129.2 specify?
Protocol address
Router address
Host number
Network number
Which layer of the OSI model does a switch operate in?
Physical
Data-link
Network
Transport
Which piece of equipment operates at both the data-link and network layers?
Hub
Bridge
Brouter
Router
What is attenuation?
cable noise
cable shortage
loss of signal strength
unwanted signals on the network
If the organization allocates 10 bits as subnet number, to identify a physical network, then the organization can have at the most……………. networks and each of these networks that can support only…………………...hosts.
1022 networks, 62 hosts.
62 networks, 1022 hosts.
4094 networks, 14 hosts.
14 networks, 4094 hosts.
A node, which is more powerful, and can handle local information processing or graphics processing is called a------------------.
Workstation
Server
Network Operating System
Peer system
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
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
80 is the well-known port number for the HTTP service.
True.
False.
Select the standard for token ring using token-passing media access.
802.2
802.3
802.5
802.11(b)
What is the distance limitation of Cat5 UTP?
1 km
100 km
100 m
100 foot
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
Class C network address class supports 65,534 hosts.
True.
False.
Thick Ethernet cable uses what type of connector? Select all that apply.
RJ-45
AUI
DB-15
BNC
--------------- is/are used for error detection.
Parity bit
checksum
both A) and B)
neither A) nor B).
What layer of the OSI protocol reference model does a bridge operate under?
Physical
Data-link
Network
Transport
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