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
Correct Answer :
A. Port
Related Questions
Thick Ethernet cable uses what type of connector? Select all that apply.
RJ-45
AUI
DB-15
BNC
Pure ALOHA has a maximum throughput of -----------
16.4 %
18.4 %
7.4 %
1 %
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 layer of the OSI model does a switch operate in?
Physical
Data-link
Network
Transport
Which of the following is the port used by SMTP?
21
23
25
80
In an authentication using symmetric keys, if 10 people need to communicate, we need _______ keys.
90
10
20
45
Which type of connector is used on 10Base2 networks?
SC
BNC
RJ-45
RJ-11
UDP datagram has a header, which is of ________.
16 bytes
8-bytes
32 bytes
64 bytes
What is the code used for Interpret As Command (IAC)?
253
255
240
241
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 can be used to transfer files from a Unix server?
FTP
Telnet
IPX
Netstat
What is the maximum distance of single-mode fiber (SMF)?
300 meters
500 meters
2km
850 meters
TCP protocol is responsible for logical addressing and delivery of packets.
True.
False.
DSL stands for ------------------------
data subscriber lines
dual subscriber lines
delay subscriber lines
digital subscriber lines
Which of the following SIP request terminates a call?
ACK
BYE
INVITE
CANCEL
A router receives an IP packet with source IP address 130.45.3.3 and destination IP address 202.23.4.16. The router cannot find the destination IP address in its routing table. Which ICMP message should be sent?
Time stamp request
Router solicitation
Destination Unreachable
Parameter problem on a datagram
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
FDDI operates on 100 Mbps.
True.
False.
Which piece of equipment operates at both the data-link and network layers?
Hub
Bridge
Brouter
Router
802.5 project standard defines Token Ring.
True.
False
Which of the following is the port used by SMTP?
21
23
25
80
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)
Which of the following connectors is used by UTP on a Fast Ethernet network?
ST
BNC
RJ-45
RJ-11
What is the address identified when socket is available at each end of TCP?
"<TCP, IP address, socket number>."
"<TCP, Host address, port address>."
"<TCP, IP address, port number>."
"<TCP, Network address, socket address>."
Which of the following is a simplex protocol?
Multicast Source Discovery Protocol (MSDP)
User datagram protocol(UDP)
Resource Reservation Protocol (RSVP)
Internet Group Management Protocol (IGMP)
Which of the following is used for testing the data-link connection in a PPP network?
Link Control Protocol (LCP)
Method
Network Control Protocols (NCPs)
Basic Rate Interface (BRI)
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.
Using a class B address maximum of …………………networks can be defined with up to……………………..hosts per networks.
2,097,152-------------254
16,384-----------------65,536
16,384---------------65,534
126--------------------16,777,214
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
In Integrated services model, ________ corresponds to token bucket filter.
Bspec
Filter spec
Rspec
Tspec