- (Topic 1)
Refer to the exhibit.

What two conclusions should be made about this configuration? (Choose two )

1. A. The designated port is FastEthernet 2/1
2. B. This is a root bridge
3. C. The spanning-tree mode is Rapid PVST+
4. D. The spanning-tree mode is PVST+
5. E. The root port is FastEthernet 2/1

Correct Answer: CE
An engineer is configuring data and voice services to pass through the same port. The designated switch interface fastethernet0/1 must transmit packets using the same priority for data when they are received from the access port of the IP phone. Which configuration must be used?
A)

B)

C)

D)

A. Option A
B. Option B
C. Option C
D. Option D
Answer: A

- (Topic 1)
Which level of severity must be set to get informational syslogs?

1. A. alert
2. B. critical
3. C. notice
4. D. debug

Correct Answer: C

- (Topic 4)
Which IPsec encryption mode is appropriate when the destination of a packet differs from the security termination point?

1. A. tunnel
2. B. transport
3. C. aggressive
4. D. main

Correct Answer: B
IPsec encryption mode is the way IPsec secures the data packets that are sent over an IP network. There are two main modes of IPsec encryption: tunnel mode and transport mode1. Tunnel mode encrypts the entire IP packet, including the original header, and adds a new IP header with the source and destination addresses of the security gateways (routers, firewalls, or VPN servers) that perform the encryption and decryption2. Transport mode encrypts only the payload (data) of the IP packet, leaving the original header intact, and uses the original source and destination addresses of the endpoints that generate and consume the data3. Therefore, transport mode is appropriate when the destination of a packet differs from the security termination point, as it does not change the original IP header information. Tunnel mode is more suitable when the security termination point is also the destination of the packet, as it provides more protection for the original IP header information.

- (Topic 4)
Refer to the exhibit.

Packets are flowing from 192.168 10.1 to the destination at IP address 192.168.20 75. Which next hop will the router select for the packet?

1. A. 10.10101
2. B. 10.10.10.11
3. C. 10.10.10.12
4. D. 10.101014

Correct Answer: B
The router will select the next hop based on the longest prefix match in the routing table. The destination IP address 192.168.20.75 belongs to the network 192.168.0.0/19, which is a classless network created by subnetting the classful network 192.168.0.0/16. The routing table has two entries for the network 192.168.0.0/19, one with a metric of 219414 and another with a metric of 5. The router will choose the entry with the lower metric, which is 5, and forward the packet to the next hop 10.10.10.111.

- (Topic 2)
What is a characteristic of private IPv4 addressing?

1. A. traverse the Internet when an outbound ACL is applied
2. B. issued by IANA in conjunction with an autonomous system number
3. C. composed of up to 65.536 available addresses
4. D. used without tracking or registration

Correct Answer: D