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TCP/IP Quiz

Here is a typical TCP/IP quiz you would have to pass for helpdesk or networking junior roles. If you apply through a recruitment agent a link would appear on your screen via email with a timer and you would have around 30 minutes to pass and be expected to score at least 85% (34/40).

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1. Put the OSI layers into the correct order.
  • Presentation
  • Session
  • Transport
  • Application
  • Network
  • Physical
  • Data Link

Question 1 of 40

2. Application layer protocols include? (choose all that apply)

Question 2 of 40

3. Match the PDU to the correct layer.
Layer 1
Bit

Unselect

Segment

Unselect

Frame

Unselect

Packet (Datagram)

Unselect

Layer 2
Bit

Unselect

Segment

Unselect

Frame

Unselect

Packet (Datagram)

Unselect

Layer 3
Bit

Unselect

Segment

Unselect

Frame

Unselect

Packet (Datagram)

Unselect

Layer 4
Bit

Unselect

Segment

Unselect

Frame

Unselect

Packet (Datagram)

Unselect

Question 3 of 40

4. Trivial File Transfer Protocol (TFTP) is an example of a protocol that uses UDP.

Question 4 of 40

5. MAC addresses are 48-bit values. The first 24 bits represent the _________ code, which identifies the vendor of the device.

Question 5 of 40

6. Routers use the Address Resolution Protocol (ARP) to determine the IP address of the device with a specific MAC address and encapsulates the
packet with a header that contains that specific IP address before sending it on the wire.

Question 6 of 40

7. The IP address in binary below is what in decimal?

 

11000000.10101000.10000000.10101001

Question 7 of 40

8. Using the IEEE’s 64-bit ______ format, a network device can automatically assign itself an IPv6 address. This is done by referencing the unique 48-bit MAC address and reformatting the value so that it matches the ____ specification.

Question 8 of 40

9. IPv4 Class D is reserved for defining Multicast group addresses?

Question 9 of 40

10. Your boss asks you to work out the summary address to advertise for the below networks. What answer do you give him?

192.100.168.0
192.100.169.0
192.100.170.0
192.100.171.0
192.100.172.0
192.100.173.0
192.100.174.0
192.100.175.0

Question 10 of 40

11. IPv6 uses which range of addresses for multicast?

Question 11 of 40

12. IPv6 uses the ______ protocol (RFC 2461), unlike IPv4, which uses ARP.

Question 12 of 40

13. Broadcast frames sent by a device in one VLAN will reach the devices in that specific VLAN only.

Question 13 of 40

14. The Spanning Tree Protocol (STP), defined by _____, is a loop-prevention protocol that allows switches to communicate with each other in order to discover physical loops in a network.

Question 14 of 40

15. STP calculations are based on which two key concepts?

Question 15 of 40

16. The default STP Bridge Priority value is ____.

Question 16 of 40

17. Distance Vector routing protocols include? (choose all which apply)

Question 17 of 40

18. RIPv2 uses____ as a metric for path selection, with a maximum hop count of __.

Question 18 of 40

19. Unlike Distance Vector routing protocols, Link-State protocols flood information about its links to a specific area or to all the routers in the network.

Question 19 of 40

20. Match the Administrative Distance Values with the correct protocols.
RIP
120

Unselect

200

Unselect

90

Unselect

20

Unselect

110

Unselect

EIGRP
120

Unselect

200

Unselect

90

Unselect

20

Unselect

110

Unselect

OSPF
120

Unselect

200

Unselect

90

Unselect

20

Unselect

110

Unselect

Internal BGP
120

Unselect

200

Unselect

90

Unselect

20

Unselect

110

Unselect

External BGP
120

Unselect

200

Unselect

90

Unselect

20

Unselect

110

Unselect

Question 20 of 40

21. By default, EIGRP calculates route metrics based on bandwidth and delay but it can also use other parameters in the calculation, including? (choose all which apply)

Question 21 of 40

22. Match the Email ports with the protocols.
POP3
110

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143

Unselect

25

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SMTP
110

Unselect

143

Unselect

25

Unselect

IMAP
110

Unselect

143

Unselect

25

Unselect

Question 22 of 40

23. Domain Name System (DNS) is a protocol that translates IP addresses into names.

Question 23 of 40

24. DNS functions over TCP, so if no response is received in a timely manner, another DNS query will be sent.

Question 24 of 40

25. _______ is a protocol used by network devices to synchronize time across the network infrastructure.

Question 25 of 40

26. Your boss asks you to permit Remote Desktop Protocol (RDP) through the firewall. Which port do you allow?

Question 26 of 40

27. A ___ is used by the SNMP agent to transmit unsolicited alarms to the Network Management Station (NMS) when certain conditions occur (e.g., device failure, state change, or parameter modifications).

Question 27 of 40

28. SNMPv3 provides which three security levels?

Question 28 of 40

29. Internet Control Message Protocol (ICMP) is a maintenance protocol that operates at Layer 2 and sends control messages over the network.

Question 29 of 40

30. Your office has only one routable IP address but has multiple hosts which need to get out to the internet. Which solution do you use?

Question 30 of 40

31. _______ is a technology that allows switches to pass electrical power along with data on Ethernet cables.

Question 31 of 40

32. DHCP address allocation is a four-step process. What are the four steps?

Question 32 of 40

33. In a crossover cable, which pin connections are swapped? (Choose all which apply)

Question 33 of 40

34. You need to issue a ping on a Windows PC. It must keep pinging the destination until you manually stop it. Which command do you issue?

Question 34 of 40

35. Match the correct traceroute command for the operating system.
Windows
tracert

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traceroute

Unselect

traceroute

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Linux
tracert

Unselect

traceroute

Unselect

traceroute

Unselect

Cisco IOS
tracert

Unselect

traceroute

Unselect

traceroute

Unselect

Question 35 of 40

36. Out output below is from which Windows command?

Question 36 of 40

37. The _______ command is included in most modern operating systems and it shows the active connections on a machine.

Question 37 of 40

38. IPSec helps protect the information that is transmitted through the VPN. VPNs with IPSec can be of which two main varieties? (Choose all which apply).

Question 38 of 40

39. Kerberos has which three main components?

Question 39 of 40

40. RADIUS functions over UDP, while TACACS+ uses TCP.

Question 40 of 40