TCP/IP Exam 2

1. Match the type of duplex with its description
Full duplex
Devices are capable of both transmitting and receiving at the same time

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Devices can either transmit or receive at the same time

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Half duplex
Devices are capable of both transmitting and receiving at the same time

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Devices can either transmit or receive at the same time

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2. Match the IP address network class to its correct description
Class A
First 4 bits are 1110 and the remaining 29 bits identify multicast message to be sent

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First octet identifies the network and the remaining three octets identify the host

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First two octets classify the network and remaining two identify the host

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First three octets represent the network while the last octet identifies the host

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Class B
First 4 bits are 1110 and the remaining 29 bits identify multicast message to be sent

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First octet identifies the network and the remaining three octets identify the host

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First two octets classify the network and remaining two identify the host

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First three octets represent the network while the last octet identifies the host

Unselect

Class C
First 4 bits are 1110 and the remaining 29 bits identify multicast message to be sent

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First octet identifies the network and the remaining three octets identify the host

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First two octets classify the network and remaining two identify the host

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First three octets represent the network while the last octet identifies the host

Unselect

Class D
First 4 bits are 1110 and the remaining 29 bits identify multicast message to be sent

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First octet identifies the network and the remaining three octets identify the host

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First two octets classify the network and remaining two identify the host

Unselect

First three octets represent the network while the last octet identifies the host

Unselect

3. The application layer of TCP/IP corresponds to which three layers of an OSI reference model
4. Match the routing type with its function
Static Routing
Refers to the type of routing that is learned by the router through a routing protocol

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Refers to the type of routing that is manually configured on a router

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Refers to the type of routing that is configured to send all packets towards a single destination

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Dynamic Routing
Refers to the type of routing that is learned by the router through a routing protocol

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Refers to the type of routing that is manually configured on a router

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Refers to the type of routing that is configured to send all packets towards a single destination

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Default Routing
Refers to the type of routing that is learned by the router through a routing protocol

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Refers to the type of routing that is manually configured on a router

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Refers to the type of routing that is configured to send all packets towards a single destination

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5. A straight‐through cable is a cable where the wire will run to the different number on each end of the cable (i.e., pin 1 on one end would be connected to pin 8 on the other end).
6. IPv6 increases the IP address size from 32 bits to how many bits?
7. IPv6 provides significant improvements over IPv4, which of these improvements are provided by IPv6?
8. Which technique allows the octets within a packet to be encoded in such a way as to ensure that any device eavesdropping, will not be able to read the information?
9. If your company is assigned the Class C addresses from 192.168.0.1-192.168.0.6, what is the subnet mask for this range?
10. Match the device used in each layer of the OSI model
Router
Physical Layer

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Data-Link Layer

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Network Layer

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Bridge
Physical Layer

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Data-Link Layer

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Network Layer

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Repeater
Physical Layer

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Data-Link Layer

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Network Layer

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11. The last 24 bits in a MAC address are assigned by the IEEE to the manufacturer of the device and is called Organizationally Unique Identifier (OUI)
12. An IPv6 address, 1020:0000:0000:8956:0000:0000:0000:3211 could be written as 1020:0:0:8956::3211
13. Match a service with it's port number
DNS
161

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53

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68

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67

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69

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DHCP client
161

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53

Unselect

68

Unselect

67

Unselect

69

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DHCP server
161

Unselect

53

Unselect

68

Unselect

67

Unselect

69

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TFTP
161

Unselect

53

Unselect

68

Unselect

67

Unselect

69

Unselect

SNMP
161

Unselect

53

Unselect

68

Unselect

67

Unselect

69

Unselect

14. Below output is from which Windows command?

15. Which routing protocols run between the routers inside a single routing domain, or autonomous system (AS)?
16. For RIP protocol, link speed and congestion does not matter as the selected best route will always have the fewest number of hops
17. What are the few limitations of RIP version 1?
18. The three essentials components of DNS are
19. Which of the following are email protocols?
20. What are some of the protection services provided by IPSec?
21. Put each HTTP transactions in the correct order
  • The establishment of a connection by the client to the server
  • The client sends a request message to the server
  • The server sends a response message to the client
  • The closing of the connection by either client or server
22. If a port number is omitted in an HTTP URL, it defaults to 8080
23.
When networks in different cities are connected together, this network is called?

24. Which of the following services has an e-mail message relay agent?
25. Identify the types of network cabling?
26. Bandwidth is defined as the number of bits that can be transmitted in a unit of time
27. Assuming a default subnet mask, what is the network ID for a host with an IP address of 192.201.253.1?

 
28. You are configuring a Class B network.  The requirement is to have at least 1000 hosts on each subnet and to maximize the number of subnets. Select a subnet mask that will meet these requirements.
29. A router configured with dynamic routing can only communicate with networks that are assigned to its physically configured interfaces
30. You want to look at the routing table on the Windows PC to see if entries are there from the new networks. What command can you use show routing table?
31. When a client does not have an address of the DHCP server, it uses which source and destination address?
32. If IP determines that the destination host is at the remote end, what will the ARP broadcast request?
33.
In a TCP/IP network, for communication to occur, a client must know both MAC and IP address information.

34. Which command can be used to add a permanent entry in an ARP cache on a Windows PC?
35. Which record would you create, If you want to create a zone record to identify a mail server?
36. Why the default gateway is required?
37. What is one of the important reasons for using Network Address Translation (NAT)?
38. Which of the following is an example of a private IP address, which is not routable over the Internet?
39. Which of the following applies to the concept of tunneling? (Select all that apply)
40. Which of the following protocols is used to monitor network devices such as switches and routers?
41. You have been using a network monitor to monitor ethernet packets. One of the messages sent has an IP header protocol field value of “1”. What does this value classify?

42. Which protocol is used to secure a VPN connection?
43. The Network Time Protocol (NTP) is a protocol used to provide accurate timing and to synchronize network devices
44. Which option of IPCONFIG is used to receive a new lease on an IP address?
45. What command would you use to verify that TCP/IP is running successfully on your Windows PC?
46. What is the maximum distance of CAT 3 UTP cabling?
47. Which of the following is not a layer in the OSI model?
48. Which of the following represents a layer 2 address?
49. Which of the following functions can be performed at layer 6 of the OSI model?
50. An IP address has 4 octets