Cisco Updated CCST-Networking Exam Questions and Answers by nikolas

• Firewall: A firewall is a network security device that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It permits or denies traffic based on IP addresses, port numbers, or applications.
• Access Point: This is a device that allows wireless devices to connect to a wired network using Wi-Fi. It does not perform traffic filtering based on IP, port, or application.
• VPN Gateway: This device allows for secure connections between networks over the internet, but it is not primarily used for traffic filtering based on IP, port, or application.
• Intrusion Detection System (IDS): This device monitors network traffic for suspicious activity and policy violations, but it does not actively permit or deny traffic.

References:

• Understanding Firewalls: Firewall Basics

WPA2-Personal, also known as WPA2-PSK (Pre-Shared Key), is the wireless security option that uses a pre-shared key to authenticate clients. This method is designed for home and small office networks and doesn’t require an authentication server. Instead, every user on the network uses the same key or passphrase to connect1.

References :=

•What is a Wi-Fi Protected Access Pre-Shared Key (WPA-PSK)?

•Exploring WPA-PSK and WiFi Security

=========================

•WPA2-Personal: This wireless security option uses a pre-shared key (PSK) for authentication. Each client that connects to the network must use this key to gain access. It is designed for home and small office networks where simplicity and ease of use are important.

•WPA2-Enterprise: Unlike WPA2-Personal, WPA2-Enterprise uses 802.1x authentication with an authentication server (such as RADIUS) and does not rely on a pre-shared key.

•802.1x: This is a network access control protocol for LANs, particularly wireless LANs. It provides an authentication mechanism to devices wishing to attach to a LAN or WLAN.

•802.1q: This is a networking standard that supports VLAN tagging on Ethernet networks and is not related to wireless security.

References:

•Cisco Documentation on WPA2 Security: Cisco WPA2

•Understanding Wireless Security: Wireless Security Guide

Router

Theshow running-configcommand is used on a Cisco router to display the current operational settings that are actively configured in the router’s RAM. This command outputs all the configurations that are currently being executed by the router, which includes interface configurations, routing protocols, access lists, and other settings. Unlikeshow startup-config, which shows the saved configuration that the router will use on the next reboot,show running-configreflects the live, current configuration in use.

References:= The information is supported by multiple sources that detail the use of Cisco commands, particularly theshow running-configcommand as the standard for viewing the active configuration on a Cisco device123.

• show running-config: This command displays the current configuration running on the router. It includes all the operational settings and configurations applied to the router.
• show protocols: This command shows the status of configured protocols on the router but not the entire configuration.
• show startup-config: This command displays the configuration saved in NVRAM, which is used to initialize the router on startup, but not necessarily the current running configuration.
• show version: This command provides information about the router's software version, hardware components, and uptime but does not display the running configuration.

References:

• Cisco IOS Commands: Cisco IOS Commands

When prioritizing trouble tickets, the most critical issues affecting business operations or high-impact activities should be addressed first. Here's a breakdown of the tickets:

• Ticket 1: Relocation of a printer, while necessary, is not urgent and does not impact critical operations.
• Ticket 2: An ongoing webinar losing internet access is critical, especially if the webinar is time-sensitive and involves multiple participants.
• Ticket 3: Slower response time for a cloud-based application is important but typically not as urgent as a complete loss of internet access for a live event.
• Ticket 4: Wireless access down in the cafeteria affects users but does not have the same immediate impact as a live webinar losing connectivity.

Thus, the correct answer is B. Ticket 2: An online webinar is taking place in the conference room. The video conferencing equipment lost internet access.

References:=

• IT Help Desk Best Practices
• Prioritizing IT Support Tickets