CtrlAiHub

1.How long is an IPv6 address ?

1.128 bits.
2.64 bits.
3.128 bytes.
4.32 bits.

2. What flavor of Network Address Translation can be used to have one IP address allow many users to connect to the global Internet ?

1.NAT
2.Static
3.PAT
4.Dynamic

3.What command is used to create a backup configuration ?

1.copy running backup
2.copy running-config startup-config
3.config mem
4.wr mem.

4.You have 10 users plugged into a hub running 10Mbps half-duplex. There is a server connected to the switch running 10Mbps half-duplex as well. How much bandwidth does each host have to the server ?

1.100 kbps
2.1 Mbps
3.10 Mbps
4.2 Mbps

5.Which WLAN IEEE specification allows up to 54Mbps at 2.4GHz ?

1.A
2.G
3.B
4.N.

6.Which of the following is the valid host range for the subnet on which the IP address 192.168.168.188 255.255.255.192 resides ?

1.192.168.168.129-190.
2.192.168.168.129-191.
3.192.168.168.128-190.
4.192.168.168.128-192.

7. To back up an IOS, what command will you use ?

1.copy flash tftp .
2.backup IOS disk.
3.copy ios tftp.
4.copy tftp flash.

8.What protocol does PPP use to identify the Network layer protocol ?

1.ISDN
2.HDLC
3.NCP
4.LCP

9.Which of the following commands will allow you to set your Telnet password on a Cisco router ?

1.line telnet 0 4
2.line aux 0 4
3.line vty 0 4
4.line con 0

10.Which protocol does DHCP use at the Transport layer ?

1.UDP.
2.IP
3.TCP.
4.ARP.

11.Which command is used to determine if an IP access list is enabled on a particular interface ?

1.show ip interface.
2. show access-lists.
3.show interface.
4.show interface access-lists.

12.Where is a hub specified in the OSI model ?

1.Physical layer.
2. Session layer.
3.Data Link layer.
4.Application layer.

13.What does the passive command provide to dynamic routing protocols ?

1.Stops an interface from sending or receiving periodic dynamic updates.
2.Stops the router from receiving any dynamic updates.
3.Stops an interface from sending periodic dynamic updates but not from receiving updates.
4.Stops the router from sending any dynamic updates.

14.Which protocol is used to send a destination network unknown message back to originating hosts ?

1.ARP.
2.TCP.
3.ICMP.
4.BootP

15.How often are BPDUs sent from a layer 2 device.?

1.Every 2 seconds.
2.Never.
3.Every 10 minutes.
4.Every 30 seconds.