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- Question
You type show running-config and get this output:
[output cut] Line console 0 Exec-timeout 1 35 Password CURIOUSTABPASSWD Login [output cut]What do the two numbers following the exec-timeout command mean?
Options- A. If no command has been typed in 35 seconds, the console connection will be closed.
- B. If no router activity has been detected in 1 hour and 35 minutes, the console will be locked out.
- C. If no commands have been typed in 1 minute and 35 seconds, the console connection will be closed.
- D. If you're connected to the router by a Telnet connection, input must be detected within 1 minute and 35 seconds or the connection will be closed.
- Correct Answer
- If no commands have been typed in 1 minute and 35 seconds, the console connection will be closed.
ExplanationThe exec-timeout command is set in minutes and seconds. - 1. Which two of the following commands will place network 10.2.3.0/24 into area 0?
- router eigrp 10
- router ospf 10
- network 10.0.0.0
- network 10.2.3.0 0.0.0.255 area0
- network 10.2.3.0 0.0.0.255 area 0
Options- A. 1 and 4
- B. 2, 4, and 5
- C. 2 and 5
- D. 3 and 4 Discuss
- 2. You have an interface on a router with the IP address of 192.168.192.10/29. Including the router interface, how many hosts can have IP addresses on the LAN attached to the router interface?
Options- A. 6
- B. 8
- C. 30
- D. 32 Discuss
- 3. Which configuration command must be in effect to allow the use of 8 subnets if the Class C subnet mask is 255.255.255.224?
Options- A. Router(config)#ip classless
- B. Router(config)#no ip classful
- C. Router(config)#ip unnumbered
- D. Router(config)#ip subnet-zero Discuss
- 4. You have a network with a subnet of 172.16.17.0/22. Which is the valid host address?
Options- A. 172.16.17.1 255.255.255.252
- B. 172.16.0.1 255.255.240.0
- C. 172.16.20.1 255.255.254.0
- D. 172.16.18.255 255.255.252.0 Discuss
- 5. Which command will copy the IOS to a backup host on your network?
Options- A. transfer IOS to 172.16.10.1
- B. copy run start
- C. copy start tftp
- D. copy flash tftp Discuss
- 6. You have an interface on a router with the IP address of 192.168.192.10/29. What is the broadcast address the hosts will use on this LAN?
Options- A. 192.168.192.15
- B. 192.168.192.31
- C. 192.168.192.63
- D. 192.168.192.127 Discuss
- 7. You need to configure a server that is on the subnet 192.168.19.24/29. The router has the first available host address. Which of the following should you assign to the server?
Options- A. 192.168.19.0 255.255.255.0
- B. 192.168.19.33 255.255.255.240
- C. 192.168.19.26 255.255.255.248
- D. 192.168.19.31 255.255.255.248 Discuss
- 8. 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?
Options- A. STP
- B. VTP
- C. DHCP
- D. ISL Discuss
- 9. How many broadcast domains are created when you segment a network with a 12-port switch?
Options- A. 1
- B. 2
- C. 5
- D. 12 Discuss
- 10. If an Ethernet port on a router were assigned an IP address of 172.16.112.1/25, what would be the valid subnet address of this host?
Options- A. 172.16.112.0
- B. 172.16.0.0
- C. 172.16.96.0
- D. 172.16.255.0 Discuss
More questions
Correct Answer: 2 and 5
Explanation:
To enable OSPF, you must first start OSPF using a Process ID. The number is irrelevant; just choose a number from 1 to 65,535 and you're good to go. After you start the OSPF process, you must configure any network that you want advertised via OSPF using wildcards and the area command. Statement (4) is wrong because there must be a space after the parameter area and before you list the area number.
Correct Answer: 6
Explanation:
A /29 (255.255.255.248), regardless of the class of address, has only 3 host bits. Six hosts is the maximum number of hosts on this LAN, including the router interface.
Correct Answer: Router(config)#ip subnet-zero
Explanation:
A Class C subnet mask of 255.255.255.224 is 3 bits on and 5 bits off (11100000) and provides 8 subnets, each with 30 hosts. However, if the command
ip subnet-zero is not used, then only 6 subnets would be available for use.
Correct Answer: 172.16.18.255 255.255.252.0
Explanation:
A Class B network ID with a /22 mask is 255.255.252.0, with a block size of 4 in the third octet. The network address in the question is in subnet 172.16.16.0 with a broadcast address of 172.16.19.255. Only option E even has the correct subnet mask listed, and 172.16.18.255 is a valid host.
Correct Answer: copy flash tftp
Explanation:
To copy the IOS to a backup host, which is stored in flash memory by default, use the
copy flash tftp command.
Correct Answer: 192.168.192.15
Explanation:
A /29 (255.255.255.248) has a block size of 8 in the fourth octet. This means the subnets are 0, 8, 16, 24, etc. 10 is in the 8 subnet. The next subnet is 16, so 15 is the broadcast address.
Correct Answer: 192.168.19.26 255.255.255.248
Explanation:
A /29 is 255.255.255.248, which is a block size of 8 in the fourth octet. The subnets are 0, 8, 16, 24, 32, 40, etc. 192.168.19.24 is the 24 subnet, and since 32 is the next subnet, the broadcast address for the 24 subnet is 31. 192.168.19.26 is the only correct answer.
Correct Answer: VTP
Explanation:
Virtual Trunk Protocol (VTP) is used to pass a VLAN database to any or all switches in the switched network. The three VTP modes are server, client, and transparent.
Correct Answer: 1
Explanation:
By default, switches break up collision domains but are one large broadcast domain.
Correct Answer: 172.16.112.0
Explanation:
A /25 mask is 255.255.255.128. Used with a Class B network, the third and fourth octets are used for subnetting with a total of 9 subnet bits, 8 bits in the third octet and 1 bit in the fourth octet. Since there is only 1 bit in the fourth octet, the bit is either off or on-which is a value of 0 or 128. The host in the question is in the 0 subnet, which has a broadcast address of 127 since 128 is the next subnet.
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