Which security control is used to create a secure, encrypted tunnel over an untrusted network, such as the internet, to protect data in transit?

Intrusion detection system (IDS)

A security analyst notices that a server is sending a large number of DNS queries to an external server. The queries are for random subdomains of a domain the company does not own. The analyst suspects the server is part of a botnet. Which action should the analyst take first to confirm the suspicion?

Review the server's process list and network connections to identify the process generating the queries.

Disconnect the server from the network immediately.

Reboot the server to clear the malicious process.

Block all outbound DNS traffic from the server.

EC-CouncilCertified Cybersecurity Technician

Domain 1Objective 3

Network Security Fundamentals CCT Practice Questions (Page 4)

Part of the Information Security Threats and Attacks domain, which makes up ~12% of our current practice bank.

43questions here

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7concepts

Questions 16–20

16expert · hard
A network engineer is planning the IP addressing for a new office. The office has 300 devices. The engineer wants to use a private IPv4 address space and ensure that the subnet can accommodate future growth to 400 devices. Which subnet mask should be used?
Select an answer first
17foundation · easy
Which security control is used to create a secure, encrypted tunnel over an untrusted network, such as the internet, to protect data in transit?
Select an answer first
18application · medium
A network engineer is designing a new branch office and has been given the subnet 192.168.10.0/24. The office needs three separate subnets for HR, Finance, and IT, each with at least 50 usable host addresses. Which subnet mask should the engineer use for each subnet?
Select an answer first
19expert · hard
A security analyst notices that a server is sending a large number of DNS queries to an external server. The queries are for random subdomains of a domain the company does not own. The analyst suspects the server is part of a botnet. Which action should the analyst take first to confirm the suspicion?
Select an answer first
20foundation · easy
Which protocol is used to translate human-friendly domain names, such as www.example.com, into IP addresses?
Select an answer first

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Network Security Fundamentals CCT Practice Questions (Page 4)

Questions 16–20

A network engineer is planning the IP addressing for a new office. The office has 300 devices. The engineer wants to use a private IPv4 address space and ensure that the subnet can accommodate future growth to 400 devices. Which subnet mask should be used?

Which security control is used to create a secure, encrypted tunnel over an untrusted network, such as the internet, to protect data in transit?

A network engineer is designing a new branch office and has been given the subnet 192.168.10.0/24. The office needs three separate subnets for HR, Finance, and IT, each with at least 50 usable host addresses. Which subnet mask should the engineer use for each subnet?

Which protocol is used to translate human-friendly domain names, such as www.example.com, into IP addresses?

Keep studying — Information Security Threats and Attacks