What does the command router(config)# line con 0allow you to perform next?
1. set the Telnet password
2. Shut down the router
3. Set your console password
4. disable console connection
Which protocol does ping use?
1. TCP
2. ARP
3. ICMP
4. BootP
If you want to delete the configuration stored in NVRAM, what would you type?
1. erase startup
2. erase nvram
3. delete nvram
4. erase running-config
Which class of IP address has the most host addresses avilable by default?
1. C
2. B
3. A
4. D
Where is a hub specified in the OSI model?
1. Session layer
2. Physical layer
3. Data Link layer
4. Application layer
What PDU is at Transport layer?
1. Segment
2. Packet
3. Frame
4. Data
How many broadcast domains are created when you segment a network with a 12-port switch?
1. Two
2. One
3. Twelve
4. None
What is a stub network?
1. A network with more than one exit point
2. A network with more than one exit and entry point
3. A network with only one entry and no exit point
4. A network that has only one entry and exit
Which layer of the OSI model creates a virtual circuit between hosts before transmitting data?
1. Application
2. Transport
3. Network
4. Physical
5. Data link
Which protocol does DHCP use at the transport layer?
1. IP
2. TCP
3. UDP
4. ARP
How do you copy a router IOS to a TFTP host?
1. Copy run startup
2. Copy start run
3. copy tftp flash
4. copy flash tftp
If your Router is facilitating a CSU/DSU, which of the following command do you need to use to provide the router with a 64000kbps serial link?
1. RouterA(config)# bandwidth 64
2. RouterA(config)# clockrate 64000
3. RouterA(config)# clock rate 64000
4. RouterA(config)# clockrate 64
5. RouterA(config)# bandwidth 64000
If an interface is administratively down, what is the problem?
1. The interface is faulty
2. The interface is not connected to another device
3. There is no problem
4. The interface is looped
How many collision domains are created when you segment a network with a 8-port hub?
1. one
2. four
3. eight
4. two
What is the administravie distance of static routes by default?
1. 0
2. 1
3. 10
4. 100
What is the maximum distance of 100baseT?
1. 260 meters
2. 100 meters
3. 500 meters
4. 1000 meters
Which protocol is used to send a Destination Network Unknow message back to originating hosts?
1. TCP
2. ICMP
3. ARP
4. UDP
Which of the following is not one of the advantages of using static routes over dynamic routing?
1. Fast convergence
2. No CPU usage
3. No bandwidth usage
4. Security
Which of the following routing protocols uses bandwidth and delay of the line when making routing decisions?
1. RIPv2
2. BGP
3. EIGRP
4. OSPF
Which of the following is the valid host range for IP address 192.168.168.188 255.255.255.192
1. 192.168.168.129-190
2. 192.168.168.129-192
3. 192.168.168.128-192
4. 192.168.168.129-191
Which keystrokes will return a Telnet session back to an originating routers console?
1. Ctrl+Z
2. Ctrl+C
3. Ctrl+Shift+6, then X
4. Ctrl+Break
At which layer do packets occur?
1. Application
2. Transport
3. Network
4. Data Link
5. Physical
If you connect a Cisco router and 3Com router through a T1, why won't they work by default?
1. Cisco and 3Com are not compatible
2. 3Com was purchased by Cisco and scrapped
3. The Serial encapsulation are not compatible by default
4. The Ethernet frame types are not compatible by default
You have large files that you need to transfer from your home to your remote corporate office. You need to do this periodically and quickly. What technology would be best suited for your situation?
1. Frame Relay
2. Ethernet
3. ISDN
4. Token Ring
5. ATM
What is the bit length and expression form of a MAC address?
1. 24bits, hex
2. 48bits, hex
3. 24bits, binary
4. 48bits, binary