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Chapter 8 Assignment 8.1 How many broadcast domains are in this picture? 3 Broadcast domains 8.2 Explain at least 4 features of VLAN’s? With VLAN’s a workstation can be used with full bandwidth at each port.  VLAN makes terminal relocations easy  On VLAN’s changing hosts/users is easy  It reduces the security risk as the number of hosts decreases. 8.3 Why VLan Trunking is a better approach when it comes to configuring VLANS’s? VLan Trunking is a better approach because it helps to extend a VLAN across the network. While implementing the multiple VLANs across the network, trunk links plays a very important role of making sure that the VLAN signals remain properly segregated for each to reach their intended destination. VLAN trunking is very efficient, as it can configure multiple VLANs on a single port. 8.4 Name two Vlan Trunking Protocols which Cisco IOS supports? 802.1Q and ISL.

8.5 Following the diagram write steps of code which Creates VLAN2 on Port fa0/13 and fa0/14 and Assign Access VLANs to those interface. As per example 8.2 in the book SW1# configure terminal Enter configuration commands, one per line. End with CNTL/Z. SW1(config)# vlan 2 SW1(config-vlan)# name Freds-vlan SW1(config-vlan)# exit SW1(config)# interface range fastethernet 0/13 - 14 SW1(config-if)# switchport access vlan 2

SW1(config-if)# switchport mode access SW1(config-if)# end SW1# show vlan brief VLAN Name Status Ports ---- -------------------------------- --------- ------------------------------- 1 default active Fa0/1, Fa0/2, Fa0/3, Fa0/4 Fa0/5, Fa0/6, Fa0/7, Fa0/8 Fa0/9, Fa0/10, Fa0/11, Fa0/12 Fa0/15, Fa0/16, Fa0/17, Fa0/18 Fa0/19, Fa0/20, Fa0/21, Fa0/22 Fa0/23, Fa0/24, Gi0/1, Gi0/2 2 Freds-vlan active Fa0/13, Fa0/14 1002 fddi-default act/unsup 1003 token-ring-default act/unsup 1004 fddinet-default act/unsup 1005 trnet-default act/unsup 8.6 Name different Trunking Administrative Mode Options and their functions? Modes Function Access Acts as an access port Trunk Puts interface in trunking Dynamic desirable Negotiate and chooses which type of trunking to be used. Dynamic auto Waits to receive a trunk negotiation

message and then chooses which type of trunking to be used. Chapter 9 Assignment 9.1 What are three reasons Spanning tree protocol is used in LAN’s? The three reason why Spanning tree is used in Lan’s is to avoid the following issues: Broadcast Stroms MAC table instability Multiple frame transmission 9.2 Write five port states of STP and how they work? Five port states of STP are:  Blocking: Port in blocking stage will not participate or forward any frame.  Listening: Port directs BPDUs to the switch system module for processing  Learning: Port is listening and processing BPDUs  Forwarding: Port will process BPDUs and update its MAC address table with frames that it receives and forward user traffic through the port.  Disabled: Port will not participate in any frame forwarding and is considered non operational 9.3 From figure shown below which switch will win the root election process?

SW1 will win the root election process 9.4 Write the default port costs suggested by IEEE? Ethernet Speed IEEE Cost : 1998 (and before) IEEE Cost : 2004 (and after) 10 Mbps 100 2000000 100Mbps 19 200000 1 Gbps 4 20000 10 Gbps 2 2000 100 Gbps N/A 200 1Tbps N/A 20 9.5 What is the main difference in STP and RSTP? As per the book following are the points that shows the main difference between STP and RTP  RSTP and STP elect the root switch using the same rules and tiebreakers.  RSTP and STP switches select their root ports with the same rules.  RSTP and STP elect designated ports on each LAN segment with the same rules and tiebreakers.

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