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esercizi subnetting ccna, Esercizi di Informatica

esercizi subnetting ccna per l'esame ccna

Tipologia: Esercizi

2021/2022

Caricato il 16/09/2022

gigi.carbone.71
gigi.carbone.71 🇮🇹

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Question 1
Workstation A has been assigned an IP address of 192.0.2.24/28. Workstation B has been assigned an IP
address of 192.0.2.100/28. The two workstations are connected with a straight-through cable. Attempts
to ping between the hosts are unsuccessful. What two things can be done to allow communications
between the hosts? (Choose two)
A. Replace the straight-through cable with a crossover cable.
B. Change the subnet mask of the hosts to /25.
C. Change the subnet mask of the hosts to /26.
D. Change the address of Workstation A to 192.0.2.15.
E. Change the address of Workstation B to 192.0.2.111.
Question 2
Your ISP has given you the address 223.5.14.6/29 to assign to your router’s interface. They have also
given you the default gateway address of 223.5.14.7. After you have configured the address, the router
is unable to ping any remote devices. What is preventing the router from pinging remote devices?
A. The default gateway is not an address on this subnet.
B. The default gateway is the broadcast address for this subnet.
C. The IP address is the broadcast address for this subnet.
D. The IP address is an invalid class D multicast address.
Question 3
Refer to the exhibit. According to the routing table, where will the router send a packet destined for
10.1.5.65?
Network Interface Next-hop
10.1.1.0/24 e0 directly connected
10.1.2.0/24 e1 directly connected
10.1.3.0/25 s0 directly connected
10.1.4.0/24 s1 directly connected
10.1.5.0/24 e0 10.1.1.2
10.1.5.64/28 e1 10.1.2.2
10.1.5.64/29 s0 10.1.3.3
10.1.5.64/27 s1 10.1.4.4
A. 10.1.1.2
B. 10.1.2.2
C. 10.1.3.3
D. 10.1.4.4
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Workstation A has been assigned an IP address of 192.0.2.24/28. Workstation B has been assigned an IP address of 192.0.2.100/28. The two workstations are connected with a straight-through cable. Attempts to ping between the hosts are unsuccessful. What two things can be done to allow communications between the hosts? (Choose two)

A. Replace the straight-through cable with a crossover cable. B. Change the subnet mask of the hosts to /25. C. Change the subnet mask of the hosts to /26. D. Change the address of Workstation A to 192.0.2.15. E. Change the address of Workstation B to 192.0.2.111.

Question 2

Your ISP has given you the address 223.5.14.6/29 to assign to your router’s interface. They have also given you the default gateway address of 223.5.14.7. After you have configured the address, the router is unable to ping any remote devices. What is preventing the router from pinging remote devices?

A. The default gateway is not an address on this subnet. B. The default gateway is the broadcast address for this subnet. C. The IP address is the broadcast address for this subnet. D. The IP address is an invalid class D multicast address.

Question 3

Refer to the exhibit. According to the routing table, where will the router send a packet destined for 10.1.5.65?

Network Interface Next-hop

10.1.1.0/24 e0 directly connected

10.1.2.0/24 e1 directly connected

10.1.3.0/25 s0 directly connected

10.1.4.0/24 s1 directly connected

10.1.5.0/24 e0 10.1.1.

10.1.5.64/28 e1 10.1.2.

10.1.5.64/29 s0 10.1.3.

10.1.5.64/27 s1 10.1.4.

A. 10.1.1. B. 10.1.2. C. 10.1.3. D. 10.1.4.

Refer to the exhibit. The user at Workstation B reports that Server A cannot be reached. What is preventing Workstation B from reaching Server A?

A. The IP address for Server A is a broadcast address. B. The IP address for Workstation B is a subnet address. C. The gateway for Workstation B is not on the same subnet. D. The gateway for Server A is not on the same subnet.

Question 5

Given the address 192.168.20.19/28, which of the following are valid host addresses on this subnet? (Choose two)

A. 192.168.20. B. 192.168.20. C. 192.168.20. D. 192.168.20. E. 192.168.20.

Question 6

Which of the following IP addresses fall into the CIDR block of 115.64.4.0/22? (Choose three)

A. 115.64.8. B. 115.64.7. C. 115.64.6. D. 115.64.3. E. 115.64.5. F. 115.64.12.

Question 7

The Ethernet networks connected to router R1 in the graphic have been summarized for router R2 as 192.1.144.0/20. Which of the following packet destination addresses will R2 forward to R1, according to this summary? (Choose two)

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

A. 10.15.32. B. 17.15.66. C. 66.55.128. D. 135.1.64. E. 129.33.192. F. 192.168.5.

Question 11

Which of the following IP addresses can be assigned to the host devices? (Choose two)

A. 205.7.8.32/ B. 191.168.10.2/ C. 127.0.0. D. 224.0.0. E. 203.123.45.47/ F. 10.10.0.0/

Question 12

How many subnets can be gained by subnetting 172.17.32.0/23 into a /27 mask, and how many usable host addresses will there be per subnet?

A. 8 subnets, 31 hosts B. 8 subnets, 32 hosts C. 16 subnets, 30 hosts D. 16 subnets, 32 hosts E. A Class B address cant be subnetted into the fourth octet.