Network+ 802.11, cellular, vpn

You are setting up a new wireless network for a medium-sized office. Employees are experiencing intermittent connectivity issues, especially in areas far from the access point. Which 802.11 standard would you recommend for optimal coverage?

• 802.11a

• 802.11b

• 802.11n

• 802.11ac

You need to enhance the security of a university’s wireless network. Which feature from the latest 802.11 standards should you leverage?

• WEP encryption

• WPA2/WPA3 encryption

• Mac address Filtering

Answer explanation

WEP is outdated, MAC Address Filtering can add a layer of security by only allowing specific devices to connect, it can be easily bypassed by malicious users who can spoof MAC addresses

Which port is used by DHCP for assigning dynamic IP addresses, and what are its corresponding roles?

• 67 for server requests and 68 for client requests

• 67 for client requests and 68 for server requests

A city is planning to upgrade its cellular network to support the increasing demand for high-speed internet and better connectivity for smart city applications. The city officials want to ensure low latency, high capacity, and support for a large number of connected devices. Which cellular technology would you recommend for this upgrade?

• 2G

• 3G

• 4G

• 5G

This type of wireless access point has either been installed on a secure company

network without explicit authorization from a local network administrator or has been

created to allow a hacker to conduct a man-in-the-middle attack.

• Friendly Access Point
• Authorized Access Point
• Secure Access Point
• Rogue Access Point

A telecommunications company is planning to expand its network to a rural area where users primarily need voice services and basic data connectivity for email and messaging. Which cellular technology would be the most cost-effective and practical for this scenario?

• 2G

• 3G

• 4G

• 5G

An IT manager is tasked with deploying a WLAN in a multi-story office building. The goal is to ensure strong Wi-Fi coverage in all areas, including conference rooms and remote offices. Which approach should the manager consider?

• Use a single high-power access point in the center of the building

• Deploy multiple access points with overlapping coverage

• Limit the Wi-Fi network to only the ground floor

• Use only wired connections to avoid wireless issues

After deploying a new WLAN, users report coverage gaps in certain areas of the building. What step should the IT team take to address this issue?

• Reduce the number of access points

• Increase the power of all access points

• Change the SSID to improve performance

• Conduct a post-deployment survey to identify dead spots

This map is a visual representation of data that shows the strength of wireless signals in an area. Used to find dead spots and areas where signal needs to be improved.

Which port is used by the Syslog protocol for logging events in a network, and what is the primary purpose of this protocol?

• Port 512; it is used for remote command execution

• Port 516; it is used for web logging

• Port 512; it is used for sending SNMP traps

• Port 514; it is used for gathering and centralizing log data from various network devices