Network Administration Quiz

Which of the following is a task of a network administrator?

• Software development

• Designing a network

• Testing network vulnerabilities

• Analyzing threats

What is a VLAN?

• A subnetwork which groups devices on separate LANs

• A subnetwork in a WAN which groups several LANs

• A network which includes several LANs

• A network which covers a very large area

What is NOT a reason for an organization to employ VLANs?

• To separate traffic between the host's computer and the servers

• To physically connect remote computers, using a virtual connection

• To restrict access to sensitive devices, infrastructures, and services

• To organize the departments in the organization and to manage their access

ARP is a protocol used to find the ____ of a device from the ____.

• IP address, port number

• port number, MAC address

• MAC address, IP address

• MAC address, port number

Which command backs up the configuration files to NVRAM?

• save running-config startup-config

• save startup-config running-config

• enable running-config startup-config

• copy running-config startup-config

When choosing a monitoring tool, what should you consider first?

• Support requirements

• Relevance and installation

• Configuration

• Ongoing maintenance costs

What is a MIB browser?

• A tool that connects a SNMP manager and an SNMP agent

• A tool used for viewing a SNMP manager's information

• A database used for managing the entities in a network

• A database used for storing the information in a network

Which of the following is an example of unguided media?

• Radio

• Optical fibers

• Coaxial cables

• Twisted pair cables

What is a Half-Duplex communication channel?

• Both endpoints can send and receive information, simultaneously

• One endpoint can send information, but only by request

• Only one endpoint can send information at any given time

• Both endpoints can send and receive information, but one at a time

Which of the following is NOT a switching mode?

• Store-and-forward

• Cut-through switching

• Catch-and-release

• Fragment free