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Q:

Given the following network range 192.168.0.0/24. We want minimum 50 hosts on each of the available subnets. What will be the subnet mask?

A) /24 B) /25
C) /26 D) /27
 
Answer & Explanation Answer: C) /26

Explanation:

Explanation: 50 hosts require 6 bits of the last octet giving us 64 -2 = 62 possible hosts this satisfies our requirement and leaves us 2 bits over for the subnets. The default mask is /24 or 255.255.255.0 adding the 2 bits for the subnets it becomes 255.255.255.192 or /26

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Filed Under: CCENT

Q:

Which three IP addresses can be assigned to hosts if the subnet mask is /27 and subnet zero is usable?

A. 10.15.32.17
B. 17.15.66.128
C. 66.55.128.1
D. 135.1.64.34
E. 129.33.192.192
F. 192.168.5.63

Answer

Answer : A C D


 


 


 


Explanation: If you follow the cram table,  /27 is mask 255.255.255.224. 3 bits were borrowed with value of 32. Follow the fourth octets of the addresses:
A is a usable host address.
B is classified as a network address
C is a usable host address form the subnet 0
D is a usable host address
E is a network address
F is a broadcast address

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Subject: CCNA

Q:

If one of the host connected to Sw-AC3 wants to send message to ip 190.0.2.5 (or any ip on a different subnet) what will be the destination MAC address ?

Answer

Answer and Explanation:


Because the destination address is on a different subnet from the switch, the packet will be forwarded to its default gateway. To verify the default gateway of this switch, use the show running-config command



From the output above, we can see that its default-gateway is 192.168.1.254. Which can be said to be a layer 3 device (router); in this case, the VLAN-R1 router. You can use the show cdp neighbor detail command verify further.



From the output above, you can confirm that the switch's default gateway is VLAN-R1 router (with the IP address of 192.168.1.254).The interface FastEthernet0/3 shows that the switch is directly connected to VLAN-R1 router through the switchport Fa0/3. To verify the MAC address associated this interface is interface, you use the show mac-address-table command:



Looking closely at the table above, you will discorver that the corresponding MAC address is 000a.b7e9.8360. Although there are some entries on port Fa0/3 with different Vlans ,but they have the same MAC address.


From the output above, you can confirm that the switch's default gateway is VLAN-R1 router (with the IP address of 192.168.1.254).The interface FastEthernet0/3 shows that the switch is directly connected to VLAN-R1 router through the switchport Fa0/3. To verify the MAC address associated this interface is interface, you use the show mac-address-table command
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Subject: CCNA

Q:

Users on the 192.168.10.0/24 network must access files located on the Server 1. What route could be configured on router R1 for file requests to reach the server?

A. IP route 0.0.0.0 0.0.0.0 s0/0/0
B. IP route 0.0.0.0 0.0.0.0 209.165.200.226
C. IP route 209.165.200.0 255.255.255.0 192.168.10.250
D. IP route 192.168.10.0 255.255.255.0 209.165.100.250

Answer

Answer : A

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Subject: CCNA

Q:

A static map to the S-AMER location is required. Which command should be used to create this map?

A. frame-relay map ip 172.16.1.3 704 broadcast
B. frame-relay map ip 172.16.1.3 196 broadcast
C. frame-relay map ip 172.16.1.3 702 broadcast
D. frame-relay map ip 172.16.1.3 344 broadcast

Answer

Answer: B

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Subject: CCNA

Q:

Answer the Following Puzzle.

Number Puzzles Questions and Answers

A) 1 B) 7
C) 3 D) 9
 
Answer & Explanation Answer: B) 7

Explanation:

In each segment of the circle, multiply the outer two numbers together and subtract the sum of the outer two numbers in the opposite segment to give the value in the  inner grey segment

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Filed Under: Number Puzzles

Q:

Answer the Following Puzzle.

Number Puzzles Questions and Answers

A) 9 B) 5
C) 4 D) 6
 
Answer & Explanation Answer: D) 6

Explanation:

Looking at the diagram in  rows, the central circle equals half the sum of the numbers in the other circles to the left and right of the centre.

 

Looking at the diagram in rows, the central circle equals half the sum of the numbers in the other circles to the left and right of the centre. - See more at: https://www.theonlinetestcentre.com/number-puzzles.html#1
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Filed Under: Number Puzzles

Q:

In 1994,the African National Congress won the elections in South Africa under the leadership of

Answer

Nelson Mandela

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Subject: World History