Question 1

What is the purpose of the TTL (Time-to-Live) field in an IP packet?

Options :

A : To assign IP addresses dynamically

B : To limit the number of hops a packet can take

C : To encrypt data for secure transmission

D : To manage and monitor network devices

Answer: B

Question 2

What is a DNS lookup operation?

Options :

A : DNS server pings the destination to verify that it is available

B : serves requests over destination port 53

C : DNS server forwards the client to an alternate IP address when the primary IP is down

D : responds to a request for IP address to domain name resolution to the DNS server

Answer: D

Question 3

Refer to the exhibit.

Which two commands must be added to update the configuration of router R1 so that it accepts only encrypted connections? (Choose two )

Options :

A : username CNAC secret R!41!4319115@

B : ip ssh version 2

C : line vty 0 4

D : crypto key generate rsa 1024

E : transport input ssh

Answer: D,E

Question 4

What is a function of Cisco Advanced Malware Protection for a Next-Generation IPS?

Options :

A : authorizing potentially compromised wireless traffic

B : inspecting specific files and file types for malware

C : authenticating end users

D : URL filtering

Answer: B

Question 5

What is the purpose of a subnet mask?

Options :

A : Identifying the network portion of an IP address

B : Resolving DNS addresses

C : Determining the default gateway

D : Identifying the host portion of an IP address

Answer: A

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