Showing posts with label Subnetting. Show all posts
Showing posts with label Subnetting. Show all posts

Friday, October 17, 2014

Network Address Translation

1. 
Which command would you place on interface connected to the Internet?
A.ip nat inside
B.ip nat outside
C.ip outside global
D.ip inside local
2. 
Which command will show you all the translations active on your router?
A.show ip nat translations
B.show ip nat statistics
C.debug ip nat
D.clear ip nat translations *
3. 
Which command would you place on interface on a private network?
A.ip nat inside
B.ip nat outside
C.ip outside global
D.ip inside local
4. 
Pat Address Translation is also termed what?
A.NAT Fast
B.NAT Static
C.NAT Overload
D.Overloading Static
5. 
When creating a pool of global addresses, which of the following can be used instead of the netmask command?
A./ (slash notation)
B.prefix-length
C.no mask
D.block-size

Wednesday, October 15, 2014

Virtual LANs

1. 
Which of the following is true regarding VLANs?
A.You must have at least two VLANs defined in every Cisco switched network.
B.All VLANs are configured at the fastest switch and, by default, propagate this information to all other switches.
C.You should not have more than 10 switches in the same VTP domain.
D.VTP is used to send VLAN information to switches in a configured VTP domain.

2. 
Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?
A.STPB.VTP
C.DHCPD.ISL
3. 
Which of the following is true regarding VTP?
A.All switches are VTP servers by default.
B.All switches are VTP transparent by default.
C.VTP is on by default with a domain name of Cisco on all Cisco switches.
D.All switches are VTP clients by default.
4. 
Which of the following commands sets a trunk port on a 2960 switch?
A.trunk on
B.trunk all
C.switchport trunk on
D.switchport mode trunk
5. 
Which command will configure a switch port to use the IEEE standard method of inserting VLAN membership information into Ethernet frames?
A.Switch(config)# switchport trunk encapsulation isl
B.Switch(config)# switchport trunk encapsulation ietf
C.Switch(config)# switchport trunk encapsulation dot1q
D.Switch(config-if)# switchport trunk encapsulation isl
E.Switch(config-if)# switchport trunk encapsulation dot1q

Thursday, October 9, 2014

Subnetting

1. 
Your router has the following IP address on Ethernet0: 172.16.2.1/23. Which of the following can be valid host IDs on the LAN interface attached to the router?
  1. 172.16.1.100
  2. 172.16.1.198
  3. 172.16.2.255
  4. 172.16.3.0
A.1 only
B.2 and 3 only
C.3 and 4 only
D.None of the above
2. 
Which two statements describe the IP address 10.16.3.65/23?
  1. The subnet address is 10.16.3.0 255.255.254.0.
  2. The lowest host address in the subnet is 10.16.2.1 255.255.254.0.
  3. The last valid host address in the subnet is 10.16.2.254 255.255.254.0.
  4. The broadcast address of the subnet is 10.16.3.255 255.255.254.0.
A.1 and 3
B.2 and 4
C.1, 2 and 4
D.2, 3 and 4

3. 
A network administrator is connecting hosts A and B directly through their Ethernet interfaces, as shown in the illustration. Ping attempts between the hosts are unsuccessful. What can be done to provide connectivity between the hosts?
  1. A crossover cable should be used in place of the straight-through cable.
  2. A rollover cable should be used in place of the straight-through cable.
  3. The subnet masks should be set to 255.255.255.192.
  4. A default gateway needs to be set on each host.
  5. The subnet masks should be set to 255.255.255.0.
A.1 only
B.2 only
C.3 and 4 only
D.1 and 5 only
E.2 and 5 only
4. 
What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask?
A.14B.15
C.16D.30
5. 
You need to subnet a network that has 5 subnets, each with at least 16 hosts. Which classful subnet mask would you use?
A.255.255.255.192B.255.255.255.224
C.255.255.255.240D.255.255.255.248