Written Lab 4.2: Written Subnet Practice #2
Classful Address
Subnet Mask
Number of Hosts per Subnet (2
x
– 2)
/16
255.255.0.0
65,534
/17
255.255.128.0
32,766
/18
255.255.192.0
16,382
/19
255.255.224.0
8,190
/20
255.255.240.0
4,094
/21
255.255.248.0
2,046
/22
255.255.252.0
1,022
/23
255.255.254.0
510
/24
255.255.255.0
254
/25
255.255.255.128
126
/26
255.255.255.192
62
/27
255.255.255.224
30
/28
255.255.255.240
14
/29
255.255.255.248
6
/30
255.255.255.252
2
Written Lab 4.3: Written Subnet Practice #3
Decimal IP Address Address Class Number of Subnet and Host
Bits
Number of Subnets (2
x
) Number of Hosts (2
x
– 2)
10.25.66.154/23
A
15/9
32,768
510
172.31.254.12/24
B
8/8
256
254
192.168.20.123/28
C
4/4
16
14
63.24.89.21/18
A
10/14
1,024
16,382
128.1.1.254/20
B
4/12
16
4,094
208.100.54.209/30
C
6/2
64
2
Chapter 5: VLSMs, Summarization and Troubleshooting TCP/IP
1. 192.168.0.0/20
2. 172.144.0.0 255.240.0.0
3. 192.168.32.0 255.255.224.0
4. 192.168.96.0 255.255.240.0
5. 66.66.0.0 255.255.240.0
6. 192.168.0.0/17
7. 172.16.0.0 255.255.248.0
8. 192.168.128.0 255.255.192.0
9. 53.60.96.0 255.255.224.0
10. 172.16.0.0 255.255.192.0
689
Chapter 6: Cisco’s Internetworking Operating System (IOS)
Written Lab 6: Cisco IOS
1. Router(config)#
clock rate 1000000
2. Switch#
config t
switch config)#
line vty 0 15
switch(config-line)#
no login
3. Switch#
config t
Switch(config)#
int f0/1
Switch(config-if)#
no shutdown
4. Switch#
erase startup-config
5. Switch#
config t
Switch(config)#
line console 0
Switch(config-line)#
password todd
Switch(config-line)#
login
6. Switch#
config t
Switch(config)#
enable secret cisco
7. Router#
show controllers serial 0/2
8. Switch#
show terminal
9. Switch#
reload
10. Switch#
config t
Switch(config)#
hostname Sales
Chapter 7: Managing a Cisco Internetwork
Written Lab 7.1: IOS Management
1. copy start run
2. show cdp neighbor detail
or
show cdp entry *
3. show cdp neighbor
4. Ctrl+Shift+6, then X
5. show sessions
6. Either
copy tftp run
or
copy start run
7. NTP
8. ip helper-address
9. ntp server
ip_address version 4
10. show ntp status
Written Lab 7.2: Router Memory
1. Flash memory
2. ROM
3. NVRAM
4. ROM
5. RAM
6. RAM
7. ROM
690
8. ROM
9. RAM
10. RAM
Chapter 8: Managing Cisco Devices
Written Lab 8.1: IOS Management
1. copy flash tftp
2. 0x2101
3. 0x2102
4. 0x2100
5. UDI
6. 0x2142
7. boot system
8. POST test
9. copy tftp flash
10. show license
Chapter 9: IP Routing
1. router(config)#
ip route 172.16.10.0 255.255.255.0 172.16.20.1 150
2. It will use the gateway interface MAC at L2 and the actual destination IP at L3.
3. router(config)#
ip route 0.0.0.0 0.0.0.0 172.16.40.1
4. Stub network
5. Router#
show ip route
6. Exit interface
7. False. The MAC address would be the local router interface, not the remote host.
8. True
9. router(config)
#router rip
router(config-router)
#passive-interface S1
10. True
Chapter 10: Layer 2 Switching
1. show mac address-table
2. Flood the frame out all ports except the port on which it was received
3. Address learning, forward/filter decisions, and loop avoidance
4. It will add the source MAC address in the forward/filter table and associate it with the port on which the
frame was received.
5. Maximum 1, violation shutdown
6. Restrict and shutdown
7. Restrict
8. The addition of dynamically learned addresses to the running-configuration
9. Show port-security interface fastethernet 0/12
and
show running-config
10. False
Chapter 11: VLANs and InterVLAN Routing
1. False! You do not provide an IP address under any physical port.
2. STP
3. Broadcast
4. VLAN 1 is the default VLAN and cannot be changed, renamed, or deleted. VLANs 1002–1005 are reserved,
and VLANs 1006–4094 are extended VLANs and can only be configured if you are in VTP transparent mode.
You can only configure VLANs 2–1001 by default.
5. switchport trunk encapsulation dot1q
6. Trunking sends information about all or many VLANs across a single link.
7. 1000 (2 to 1001). VLAN 1 is the default VLAN and cannot be changed, renamed, or deleted. VLANs 1002–
1005 are reserved, and VLANs 1006–4094 are extended VLANs and can only be configured if you are in VTP
transparent mode.
8. True
9. Access link
691
10. switchport trunk native vlan 4
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