A network administrator is troubleshooting a connectivity issue. A workstation with IP 172.16.5.20/24 cannot ping a server at 172.16.5.200/24, but it can ping other devices on the same subnet. The administrator checks the ARP table and finds no entry for the server. What is the most likely cause?

The server's firewall is blocking ICMP

The server is powered off or disconnected from the network

The server is on a different VLAN

The workstation's subnet mask is incorrect

What is a primary benefit of IPv6 over IPv4?

Built-in NAT for all communications

What does the /24 in the CIDR notation 192.168.1.0/24 indicate?

The subnet mask in decimal notation

The number of bits in the network portion of the address

The number of host addresses available in the subnet

The number of subnets that can be created

A company wants to separate its finance department from the rest of the network to reduce the risk of unauthorized access to financial data. The finance department has 30 computers. Which subnet configuration is most appropriate?

Use the same subnet as the rest of the network but enable MAC filtering on the switch.

Use a /27 subnet for the finance department and configure firewall rules to block traffic from other subnets.

Use a /24 subnet for the finance department and rely on the subnet mask alone for security.

Use a /28 subnet for the finance department and allow all traffic between subnets.

CiscoCertified Support Technician (CCST) Cybersecurity

Domain 2Objective 2

Explain How Network Addresses Impact Network Security 100-160 Practice Questions (Page 3)

Part of the Basic Network Security Concepts domain, which makes up ~19% of our current practice bank. Cisco does not publish an official question count, but from its 50-minute exam (~20–35 total, ~4–7 in this domain), expect 1–1 from this objective — we provide 39 practice questions to prepare you well beyond it. (estimate)

39questions here

8free pages

7concepts

Questions 11–15

11expert · hard
A network administrator is troubleshooting a connectivity issue. A workstation with IP 172.16.5.20/24 cannot ping a server at 172.16.5.200/24, but it can ping other devices on the same subnet. The administrator checks the ARP table and finds no entry for the server. What is the most likely cause?
Select an answer first
12foundation · easy
What is a primary benefit of IPv6 over IPv4?
Select an answer first
13foundation · easy
What does the /24 in the CIDR notation 192.168.1.0/24 indicate?
Select an answer first
14application · medium
A company wants to separate its finance department from the rest of the network to reduce the risk of unauthorized access to financial data. The finance department has 30 computers. Which subnet configuration is most appropriate?
Select an answer first
15expert · hard
A network engineer is configuring IPv6 on a new network. The company has been assigned the global unicast prefix 2001:db8:1::/48. The engineer needs to create multiple subnets for different departments. The company policy requires that each department have a /64 subnet. How many /64 subnets can be created from the /48 prefix?
Select an answer first

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