ITN 266 MODULE A EXAM QUESTIONS WITH 100% CORRECT ANSWERS UPDATE
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Course
ITN 266
Institution
ITN 266
ITN 266 MODULE A EXAM QUESTIONS WITH 100% CORRECT ANSWERS UPDATE
A Windows host sends a TCP segment with source port number 1200 and destination port number 25. The receiving host is a(n) ________. - Answer- e-mail server
In the IETF, a proposed standard is called a Request for Comments. - ...
ITN 266 MODULE A EXAM QUESTIONS
WITH 100% CORRECT ANSWERS 2024-
2025 UPDATE
A Windows host sends a TCP segment with source port number 1200 and destination
port number 25. The receiving host is a(n) ________. - Answer- e-mail server
In the IETF, a proposed standard is called a Request for Comments. - Answer- true
Security problems with protocols include ________. - Answer- both a lack of security in
earlier versions and awkwardly added security
If two hosts are separated by five networks, how many frames will there be along the
way when a host transmits a packet to another host? - Answer- 5
If a router receives a packet with a TTL value of 1, what will it do? - Answer- drop the
packet
At what core layer do you find WAN standards? - Answer- single network
In DNS cache poisoning, an attacker replaces the IP address of a host name with
another IP address. - Answer- true
Companies use carriers for WAN transmission because ________. - Answer-
companies lack rights of way
When your home PC is on a network, it is a host. - Answer- true
IPsec works with ________. - Answer- Both IPv4 and IPv6
Client usually get ________. - Answer- dynamic IP addresses
________ tell the attacker that a certain IP address has a live host or router. - Answer-
both ICMP Echo replies and ICMP error messages
A ________ is likely to have the same address each time it goes on the Internet. -
Answer- server
The name of the Internet standards architecture is ________. - Answer- TCP/IP
The terms octet and byte mean the same thing. - Answer- true
, Ping sends ________ messages and receives replies in the same protocol. - Answer-
ICMP
The ________ layer is roughly the same in OSI and TCP/IP. - Answer- transport
A normal TCP close takes ________ segments. - Answer- 4
When your mobile phone is on a network, it is a host. - Answer- true
In ________, signals can be read without tapping the cord. - Answer- UTP
In an IPv4 packet, the ________ field describes the contents of the packet's data field. -
Answer- protocol
________ is a standards architecture. - Answer- OSI
A ________ server gives an original host the IP address of another host to which the
original host wishes to send packets. - Answer- DNS
A computer connects to the nearest switch via a ________. - Answer- physical link
Which of the following sends passwords in the clear? - Answer- FTP
If two hosts are separated by seven networks, how many packets will there be along the
way when a host transmits a packet to another host? - Answer- 1
A network that runs on the customer premises is a ________. - Answer- LAN
Which of the following is true? - Answer- both TCP works at the transport layer and UDp
works at the transport layer
A residential access router usually contains ________. - Answer- Both a DHCP server
and an Ethernet switch
TCP messages are called ________. - Answer- segments
TCP segment carries octets 4321 through 4371. What will be the acknowledgement
number in the TCP segment that acknowledges this segment? - Answer- 4372
The subnet mask is one of the three parts of an IP address. - Answer- false
A one-bit field is called a ________ field. - Answer- flag
Which organization creates Internet standards? - Answer- IETF
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