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Computer Networks Final Exam Questions with Correct Answers
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Computer Networks Final Exam Questions with Correct Answers
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Computer Networks Final ExamQuestions with Correct Answers
In Network Encapsulation, when a segment is added with network layer header
information, then it is called a - Answer-Datagram
The application that is used to find the "read" end-to-end internet delay is - Answer-
Traceroute
The Packet delay that occurs when a packet travels over a wire is - Answer-Propagation
delay
The components of a cable access network is - Answer-Cable Modem, CMTS, Cable
Headend, Splitter
The which media, signals propagate in a solid media? - Answer-Guided Media
A fiber optic cable is a - Answer-Glass fiber carrying light pulses and each pulse is a bit
In which one of the following attacks, the attackers make resources (server or
bandwidth) unavailable to legitimate traffic by overwhelming resources with bogus
traffic? - Answer-Denial of Service (DoS)
A radio signal is a - Answer-Signal carried in electromagnetic spectrum
In which one of the following attackers, the attacker sits on a promiscuous network
interface ad reads/records all packers (e.g. including passwords) passing by? - Answer-
Packet Sniffing
The components of a Digital Subscriber Line (DSL) access network are... - Answer-
Splitter, DSL Modem, DSL Access Multiplexer, Telephone Network
The process where the end-to-end resources are allocated between source and
destination to send of receive data is called as - Answer-Circuit Switching
The sources of packet delay in an end-to-end transmission are... - Answer-Processing
Delay, Propagation Delay, Queueing delay, Transport Delay
The data rate (bits/sec) at any given point of time is called as - Answer-Instantaneous
Throughput
In network encapsulation, when a message is added with transport layer header
information, then it is called - Answer-Segment
, A set of rules and formats defined for sending and receiving data among network
entities is called - Answer-Protocol
Internet is also known as - Answer-A network of networks
If traffic intensity is more than (1), then the average queuing delay is - Answer-
Approaching infinity
If the traffic intensity is less than 1, then the average queuing delay is - Answer-Large
The process where the hosts break the application layer message into packets is called
- Answer-Circuit switching
In BitTorrent, the file is divided into - Answer-Chunks
The underlying transport layer protocol used by FTP is - Answer-TCP
In which type of DNS query is the load on the local DNS server? - Answer-Iterative
Query
The door through which a process sends/receives its messages to/from is called -
Answer-Socket
The transport layer protocols are... *********** - Answer-TCP
In a client—server architecture - Answer-There is an always-on host called the server
The protocol that offers unreliable data transfer is - Answer-UDP
Which one of the following DNS RR records gets the IP address - Answer-A record
What are the "in-band" application layer protocols? - Answer-HTTP
What is the control port for FTP? - Answer-21
The services provided by DNS are... - Answer-Load Distribution, Host Aliasing, Mail
Server Aliasing, Host to IP translation
What are the "out-of-band" application layer protocols? - Answer-FTP
The possible network architectures for network communication are... ********** - Answer-
Client-Server Architecture
The underlying transport layer protocol used by Telnet is... - Answer-TCP
In which type of DNS query is the load in the DNS server? - Answer-Recursive Query
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