Broadband Communications

Broadband Communications

1

BROADBAND COMMUNICATIONS

Assignment #1

TCP/IP AND ROUTING:

An ARP cache is

A) a temporary storage of MAC addresses for networking devices to be contacted.

B) a temporary storage of MAC addresses for networking devices recently contacted.

C) a temporary storage of IP addresses for networking devices to be contacted.

D) a temporary storage of IP addresses for networking devices recently contacted.

The router's routing tables (select all that apply)

A) keeps track of the MAC addresses to forward data to its destination.

B) keeps track of the IP addresses to forward data to its destination.

C) keeps track of the routes to forward data to its destination.

D) none of the above

Match the definition to the correct term.

An Ethernet system operating at 100 Mbps.

A) Gigabit Ethernet

B) Fast Ethernet

C) AUI Ethernet

D) Link Ethernet

E) none of the above

The acronym 10Base2 stands for (select all that apply)

A) 10kbps

B) 10Mbps

C) 1500 meters

D) 2km

E) 20 meters

Which fields are contained within an IEEE Ethernet frame header?

  1. Source and Destination MAC address
  2. Source and Destination IP Addresses
  3. Source and Destination MAC Address Destination Network Address.
  4. Source MAC Address only.
  5. Destination MAC address Only

Length of the MAC address is _____ bytes

  1. 8 bytes
  2. 4 bytes
  3. 2 bytes
  4. 6 bytes
  5. 3 bytes

When an NIC wants to send a message to all stations on the network, it will use the address: ______

When Data is encapsulated, which is the correct order?

  1. Data, frame, packet, segment, bit
  2. Segment, data, packet, frame, bit
  3. Data, segment, packet, frame, bit
  4. Data, segment, frame, packet, bit
  5. All of the above

Which of the following connection will use Cross-over cable?

  1. PC-to-Router
  2. Switch-to-PC
  3. Switch –to- Router
  4. PC-to-Switch
  5. PC –to-Modem

The data packet created by the MAC layer is called.

  1. Segment
  2. Datagram
  3. Packet
  4. Frame
  5. It Stream

8. The filter table in a Bridge contains

(a)The IP address of all computers connected to all segments of the Network joined by the bridge

(b)The Data link Address of each station connected to each port of the Bridge

(c)The IP Address of the next bridge

(d)The IP Address of the Next router in the path

(e)None of the above

15. MTU is used to establish the maximum size of what?

(a)Window

(b)Flow control

(c)Loop back test

(d)Encryption

(e)Frame

17. A Router operates at layer(s) ______of the OSI Model

(a)1.

(b)1 and 2

(c)1,2,3

(d)1, 2, 3, 4

(e)1 through 7

18. If we need to split a 10B5 LAN into two independent LANS, we need a ______

(a)Repeater

(b)Router

(c)Bridge

(d)Gateway

(e)Either (b) or (d)

(f)Either (b) or (c)

19…A VLAN is configured by:

  1. Software
  2. Hardware
  3. Physical wiring
  4. Switch Software
  5. None of the above

20.Membership in a VLAN can be based on:

  1. Port Numbers
  2. MAC Addresses
  3. IP Addresses
  4. All of the above
  5. None of the above

21.VLANs can:

  1. Reduce Network traffic
  2. Provide an extra measure of security
  3. Either (a) or (b)
  4. Both (a) and (b)

22.VLANs create ______domains

  1. Unicast
  2. Multicast
  3. Broadcast
  4. None of the above.

Write a series of commands for 1900 switch to create VLAN 2 as Sales and VLAN 3 as Marketing.

25.For the Fig shown:

(a)Configure the IP Addresses as shown for R4,R5 and R6

(b)Configure all Static Routes on R4,R5 and R6

©Configure Dynamic Routing using RIP

S1 S0

S0

(d)Develop a Static Routing table for R4, R5, R6

  1. The maximum segment length for a thin Ethernet is______
  2. For a thick Ethernet, the maximum distance between the work station and the back bone cable is______
  3. Which of the following Ethernet uses an external transceiver.

(a)10B2 (b) 10B5 (c) 10BT (d) 100BTX (e) 100BFX

  1. Which of the 3 Fast Ethernet uses only 2 pairs of twisted pair ( out of 4) and can operate FDX
  2. A 10BT uses ______wiring with ______Connector
  3. Code the following data as it would appear on the thick Ethernet Cable

10 1 1 0 1

  1. Which piece of hardware detects collision on Thin or thick Ethernet. ____
  2. What is the difference between a hub and a Switch. ______
  3. What is the Ethernet broadcast address. ______
  4. List 3 Varieties of Fast Ethernet. ______
  5. Which of the following GB Ethernet uses Twin ax cable

(a)SX (b) CX (c) LX (d) TX (e ) None of the above

  1. GB Ethernet uses ______Protocol for FDX operation.
  2. 1000BLX GB Ethernet operates at ______nm wavelength over

______fiber.

14Draw a picture of 10B2 Ethernet, showing the bus, connector and WS.

15Sketch a GB Ethernet system showing all GB Components including GB server, back bone, GB card, GB cabling, Various Switches/Hubs, and workstation.

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