Tsr 2 Aptitude Test
This quiz is to test your network and advance skill levels needed for Level 2 support.
- 1.
What is the purpose of a subnet mask?
- A.
To identify the network address
- B.
To mask a portion of the IP address so can distinguish the network ID from the host ID
- C.
To identify the network ID
- D.
None of the above
Correct Answer
B. To mask a portion of the IP address so can distinguish the network ID from the host ID -
- 2.
What are the possible reasons when there is lack of ICMP response when ping query is done?
- A.
You have incorrect routing. Check the routes and subnet mask on both the local and remote servers and all routes in between. A classic symptom of bad routes on a server is the ability to ping servers only on your local network and nowhere else. Use traceroute to ensure you’re taking the correct path.
- B.
A server with that IP address doesn’t exist & The server has been configured not to respond to pings.
- C.
A firewall or router along the network path is blocking ICMP traffic.
- D.
All of the above
Correct Answer
D. All of the above -
- 3.
What are the range of addresses for class A, class B and Class C?
- A.
Class A : 1- 126 , Class B: 128-191 , Class C: 192-223
- B.
Class A : 1- 125 , Class B: 126-191 , Class C: 192-223
- C.
Class A : 1- 126 , Class B: 127-191 , Class C: 192-223
- D.
Class A : 1- 127 , Class B: 128-192 , Class C: 193-224
Correct Answer
A. Class A : 1- 126 , Class B: 128-191 , Class C: 192-223 -
- 4.
What is the purpose of NAT?
- A.
NAT allows computers on a small network, such as a home office to share a single Internet Connection. Enables a local area network (LAN) to use one set of IP addresses for internal traffic and a second set of addresses for external traffic.
- B.
Allows encapsulated connection to any websites
- C.
It allow transparent connection to the internet
- D.
It is internet connection sharing
Correct Answer
A. NAT allows computers on a small network, such as a home office to share a single Internet Connection. Enables a local area network (LAN) to use one set of IP addresses for internal traffic and a second set of addresses for external traffic. -
- 5.
What protocol does Ping use?
- A.
TCP
- B.
ARP
- C.
ICMP
- D.
BootP
Correct Answer
C. ICMP -
- 6.
What is TCP/IP?
- A.
Connectionless Protocol Suite
- B.
Connection based Protocol Suite
- C.
Suite of protocols that provide routing in WANs, and connectivity to a variety of host on the Internet
- D.
It is a diagnostic tool
Correct Answer
C. Suite of protocols that provide routing in WANs, and connectivity to a variety of host on the Internet -
- 7.
Which TCP/IP Utilities are used to verify and test a TCP/IP configuration?
- A.
UDP and TCP
- B.
Nslookup
- C.
Traceroute
- D.
Ping and Ipconfig
Correct Answer
D. Ping and Ipconfig -
- 8.
What is Ping and usage of Ping?
- A.
Packet Internet Groper. A Unix-based Internet diagnostic tool, consisting of a message sent to test the accessibility of a particular device on the IP network.
- B.
Check the status of the router
- C.
To find the routing path
- D.
To trace IP address to MAC address
Correct Answer
A. Packet Internet Groper. A Unix-based Internet diagnostic tool, consisting of a message sent to test the accessibility of a particular device on the IP network. -
- 9.
What is Traceroute and Tracert? What is the usefulness of this tool for network troubleshooting?
- A.
Traceroute is network sniffering tool that users icmp
- B.
Traceroute is a utility program that monitors the network path of a remote computer
- C.
Utility program maps the IP address of a web server
- D.
All of the above.
Correct Answer
B. Traceroute is a utility program that monitors the network path of a remote computer -
- 10.
What is telnet? How do you run telnet command to test targeted IP address for reserved port such as SSH, HTTPS, HTTP, FTP, SMTP and POP3? Provide answers for all ports stated below accordingly
- A.
Telnet command will tell us if a remote server is listening on a specific port . telnet 202.75.240.119 22 , telnet 202.75.240.119 23, telnet 202.75.240.119 8080,telnet 202.75.240.119 25, telnet 202.75.240.119 110
- B.
Telnet command will tell us if a remote server is listening on a specific TCP port. telnet 202.75.240.119 22, telnet 169.45.232.12 443, telnet 66.94.234.13 80, telnet 66.94.234.13 21, telnet 202.75.240.96 25 , telnet 66.94.234.13 110
- C.
Telnet command will tell us if a remote server is listening on a specific TCP port. telnet 202.75.240.119 24, telnet 169.45.232.12 43, telnet 66.94.234.13 80, telnet 66.94.234.13 21, telnet 202.75.240.96 110 , telnet 66.94.234.13 25
- D.
Telnet command will tell us if a remote server is listening on a specific port. telnet 202.75.240.119 21, telnet 169.45.232.12 53, telnet 66.94.234.13 80, telnet 66.94.234.13 21, telnet 202.75.240.96 25 , telnet 66.94.234.13 110
Correct Answer
B. Telnet command will tell us if a remote server is listening on a specific TCP port. telnet 202.75.240.119 22, telnet 169.45.232.12 443, telnet 66.94.234.13 80, telnet 66.94.234.13 21, telnet 202.75.240.96 25 , telnet 66.94.234.13 110 -
- 11.
What is named ?;
- A.
DNS cache file;
- B.
Internet domain name server;
- C.
Read from cron when named starts up;
- D.
Domain Name server that reads from default named configuration file and listens to queries when invoked;
Correct Answer
D. Domain Name server that reads from default named configuration file and listens to queries when invoked; -
- 12.
What is ifconfig in Linux ?;
- A.
To view ip address ;
- B.
Parameter that defines IP addresses of DNS servers. ;
- C.
Display current configuration of network interface;
- D.
Show status of ethernet interface ;
Correct Answer
C. Display current configuration of network interface; -
- 13.
How DHCP works? Name Phases of DHCP Client Configuration.
- A.
IP lease , IP lease acknowledgment
- B.
IP lease Discover, IP lease
- C.
IP lease Discover, IP lease offer, IP lease acknowledgment
- D.
IP lease Discover, IP lease offer, IP lease request, IP lease acknowledgment
Correct Answer
D. IP lease Discover, IP lease offer, IP lease request, IP lease acknowledgment -
- 14.
How would you test if DNS server is responding and the website address is valid?
- A.
Nslookup
- B.
Ping
- C.
Find
- D.
All of the above
Correct Answer
A. Nslookup -
- 15.
What is a Router?
- A.
Enables sharing of resources among network devices
- B.
Internetworking device
- C.
Hardware that helps LANs communication
- D.
All of the above
Correct Answer
B. Internetworking device -
- 16.
How do you test if NIC is responding?
- A.
Ping localhost
- B.
Telnet 127.0.0.1
- C.
Netstat -an
- D.
A&B
Correct Answer
A. Ping localhost -
- 17.
What is the use of Proxy?
- A.
To speed up your access to the Internet as it contains cache
- B.
To filter all request send to the internet in LAN
- C.
Provides encryption on the user side IP address
- D.
All of the above
Correct Answer
D. All of the above -
- 18.
What effects connection speed ?
- A.
The Host Server's Internet Connection speed
- B.
Internet Routers
- C.
Presence of SpyWare/Malware on your computer
- D.
Faulty Cable
- E.
All of the above
Correct Answer
E. All of the above -
- 19.
Bandwith is
- A.
Internet connection speed
- B.
Round-trip time of request
- C.
Network performance
- D.
Measurement of data transfer rate
Correct Answer
D. Measurement of data transfer rate -
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Current Version
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Mar 21, 2022Quiz Edited by
ProProfs Editorial Team -
Aug 14, 2009Quiz Created by
Greg.clark
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