This OSI Layer translates different character encoding systems and converts data into a format that the Application Layer can understand.

(Blank) is a network protocol that lets devices listen before transmitting and pause or retry if a collision is detected, commonly used in older Ethernet networks.

This type of cable is typically installed in the void above a drop ceiling and is made of PVC.

This type of structured cabling connects different telecom rooms and equipment rooms within the building, ensuring robust connectivity.

I want to transmit multiple data streams simultaneously on a single fiber optic cable... what technology will allow me to do that? Choose the BEST answer.

This type of fiber optic connector is commonly used in high-vibration environments because it has a screw-on mechanism to provide a firm, threaded connection (Hint: not the twist-lock design like another option below)

A value added to a data frame that allows the receiving device to detect errors by comparing it to a recalculated checksum.

ff:ff:ff:ff:ff:ff is the:

This device operates at Layer 2 and filters traffic between two or more network segments, creating a single network.

My switch is special. It can combine 4 separate cabled links into a single logical channel. What is this called?

A term that describes when a DHCP request is endlessly replicated and flooded throughout the network.

This type of addressing is known as a one-to-one form of communication.

What is the primary purpose of a Subnet Mask?

Choose the IPv4 to IPv6 transition mechanisms. (Choose two)

This packet header field is decreased by one at each hop.

This dynamic routing protocol is one of the oldest, and employs hop count as a routing metric to determine the best path.

This device is located at the boundary of a network and performs NAT, plus firewall functions.

Interconnections between switches is referred to as?

After completing a marathon session of Dungeons & Dragons behind an abandoned 7Eleven gas station, Bryan makes his way into work where he manages twenty clients within different subnets. All of them have APIPA IP addresses (169.254.x.x), yet the DHCP server is functioning flawlessly. What device could be the issue?

This is a feature found on Cisco network devices that ensures DHCP requests can reach the DHCP server (kind of like a Relay, but for Cisco-specific devices)?

In NTP, what indicates the distance from the reference clock (the most accurate time source)?

This Time Protocol measures time in nanoseconds (millionths of a second).

This unencrypted protocol facilitates communication between clients and servers by fetching resources (like HTML documents, images, videos etc.) from the web.

Whether I'm backing up a device to a remote cloud server or downloading an update for my Xbox, what protocol handles these transfers of data?

This protocol allows computers within the same network to access files, printers, and other shared resources.

This is a convenient way to store files that I want to control and share with any device that on my network.

Which Simple Mail Transfer Protocol (SMTP) port is primarily used for sending emails from one mail server to another?

Which Disaster Recovery concept involves a simulation where teams role-play through disaster scenarios to evaluate a company's response plans?

This Disaster Recovery Metric specifies the maximum acceptable amount of data loss, measured in time, and determines how frequently data backups should be performed.

What term describes a group of computers (nodes) that work together to ensure that a service or application is ALWAYS available, even if one or more nodes fail?

User Datagram Protocol (UDP) is an example of a connectionless protocol. Because UDP does not support a three-way handshake while establishing a network connection, it is referred to as an unreliable or best-effort protocol.

What port does Telnet use?

This term describes the process of identifying and mapping devices and services on a network.

This powerful tool is used for network discovery and security auditing, and can even identify the OS running on a host.

Network device logs contain all kinds of valuable information, like timestamps, source IP addresses, severity level, etc. What is the term for this type of data?

This type of tool gathers, centralizes, and manages logs from various network devices and applications.

This standardized protocol sends system logs to a specific server, and is NOT installed on Windows devices by default.

This network management technique intentionally delays packets to control the rate at which data is transmitted, which smooths out bursts of traffic and ensures a more stable flow of data.

Vulnerability, Threat, or Risk? The likelihood and impact of a threat actor taking advantage of bad software coding.

True or False: Hashing converts plaintext into ciphertext, protecting the confidentiality of data.

This type of deception technology mimics real network assets to attract hackers.

This type of attack overwhelms a target server, service, or network with a massive amount of traffic using zombie devices.

This model is designed in case one layer of defense fails; another layer stands guard.

I want to use Extensible Authentication Protocol to ensure that only authenticated devices can access my network. What must I configure?

Bryan created a guest network for users on the Internet to access his vast collection of screenshots from the game "Dwarf Fortress." What device would Bryan need to place between his internal network and the Internet?

This device will alert a network administrator that a breach has occurred. It will also shut down the connection automatically.

This type of camera focuses on a specific entry point and only moves by manual intervention.

Which layer of the OSI model is responsible for starting and stopping communication between endpoints?

A technician is configuring a switch and wants to prevent unauthorized devices from sending DHCP offers. What feature should they enable?

A user reports intermittent connectivity issues. You notice their device has an IP address of 169.254.x.x. What’s the most likely cause?

You’re tasked with connecting two buildings across a campus. Which medium offers the best performance and immunity to EMI?

A network administrator wants to segment traffic between departments but still allow routing. What should they implement?

A technician is troubleshooting a wireless issue in a warehouse. Devices lose signal near metal shelving. What’s the likely cause?

A company wants to ensure only authorized devices connect to the network. Which protocol should they use?

You’re reviewing logs and notice repeated failed login attempts from a single IP. What type of attack is likely occurring?

A technician needs to connect a router to an ISP’s fiber handoff. Which device is typically required?

A user can access internal resources but not external websites. What’s the most likely misconfiguration?

A technician is configuring a firewall and wants to block all traffic except HTTP and HTTPS. What should they use?

A technician is troubleshooting a slow network and suspects a duplex mismatch. Where should they check first?

A user reports they can’t access a shared folder. What's the first thing to do as you begin troubleshooting?

You’re asked to implement a protocol that assigns IP addresses dynamically. Which protocol should you configure?

A technician is reviewing a network diagram and sees a DMZ (Screened Subnet). What is its primary purpose?

A technician needs to identify the MAC address of a device using its IP address. Which command should they use?

You’re part of a team deploying a new VoIP system across a corporate campus. After installation, users begin reporting poor call quality, including choppy audio and dropped calls. You verify that the phones are on their own VLAN and that DHCP and DNS are functioning properly. Ping tests show low latency, but packet captures reveal out-of-order packets and jitter. What is the most appropriate next step to improve call quality?