- (Exam Topic 1)
Which network allows devices to communicate without the need to access the Internet?

1. A. 1729.0.0/16
2. B. 172.28.0.0/16
3. C. 192.0.0.0/8
4. D. 209.165.201.0/24

Correct Answer: B
The private ranges of each class of IPv4 are listed below:
Class A private IP address ranges from 10.0.0.0 to 10.255.255.255 Class B private IP address ranges from 172.16.1.1 to 172.31.255.255 Class C private IP address ranges from 192.168.0.0 to 192.168.255.255 Only the network 172.28.0.0/16 belongs to the private IP address (of class B).

- (Exam Topic 3)
Refer to the exhibit.

The router has been configured with a supernet to accommodate the requirement for 380 users on a subnet The requirement already considers 30% future growth. Which configuration verifies the IP subnet on router R4?
A)

B)

C)

D)

1. A. Option A
2. B. Option B
3. C. Option C
4. D. Option D

Correct Answer: B

- (Exam Topic 1)
Which command entered on a switch configured with Rapid PVST* listens and learns for a specific time period?

1. A. switch(config)#spanning-tree vlan 1 max-age 6
2. B. switch(config)#spanning-tree vlan 1 hello-time 10
3. C. switch(config)#spanning-tree vlan 1 priority 4096
4. D. switch(config)#spanning-tree vlan 1 forward-time 20

Correct Answer: D
Forward time : Determines how long each of the listening and learning states last before the port begins forwarding.
Switch(config)# [ no ] spanning-tree vlan vlan_ID forward-time forward_timeConfigures the forward time of a VLAN. The forward_time value can be from 4 to 30 seconds.
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4500/12-2/15-02SG/configurat ion/guide/config/spantree.html#56177

- (Exam Topic 2)
Refer to Exhibit.

Which configuration must be applied to the router that configures PAT to translate all addresses in VLAN 200 while allowing devices on VLAN 100 to use their own IP addresses?

1. A. Option A
2. B. Option B
3. C. Option C
4. D. Option D

Correct Answer: D

- (Exam Topic 4)
Refer to the exhibit.

Which command must be enable a floating default route on router A?

1. A. ip route 0.0.0.0 0.0.0.0 192.168.1.2
2. B. ip default-gateway 192.168.2.1
3. C. ip route 0.0.0.0 0.0.0.0 192.168.1.2 10
4. D. ip route 0.0.0.0 0.0.0.0 192.168.2.1 10

Correct Answer: C