Cybersecurity Operations H - Unit 1 Assessment

Fill-in-the-blank practice flashcards generated from Unit 1 Cybersecurity Operations Assessment covering network protocols, OSI model layers, topologies, and troubleshooting methodology.

Dynamic ports ranging from 49152 to 65535 are primarily used to __________ with a server.

identify a specific session

The transport layer adds a header to each block of data that can include session, application-layer protocol, and __________ information.

reassembly

If the implementation of a solution fails during steps 3-6, you should systematically work through your __________ until a solution results in verified full system functionality.

theories of probable cause

Data encryption is defined as happening at the __________ layer of the OSI model.

Presentation

The layer of the OSI model responsible for transforming data between the format required for the application and the format required for the network is the __________ layer.

Presentation

According to the Divide and Conquer Approach, network troubleshooting should start at the __________ for the problem based on the symptoms.

most likely layer

An example of a step in the top-to-bottom approach for network troubleshooting is checking __________ for a valid configuration.

DNS settings

The network layer allows data to move between different networks on the Internet by identifying and routing data using __________.

IP addresses

When identifying symptoms of a problem in a system, a recommended step is to make a __________ and look for something out of the ordinary.

physical inspection

An example of a closed question during troubleshooting is: "Does your computer show that it is __________?"

connected to the Internet

Different OSI layers use different types of addresses because each layer uses a different __________.

protocol

Two nodes must run the same protocols at each layer to communicate so that they can understand and __________ correctly.

exchange data

A star topology in networking is described as a hub-spoke layout where devices connect to a __________.

central hub

The structure of a tree topology is hierarchical and has at least __________ levels.

three

If a connection is interrupted between two connected devices in a ring topology, traffic can be sent in the __________ through the ring and still reach the recipient.

opposite direction

If you encounter a problem that you can fix without affecting the overall network, you should __________ the solution immediately.

implement

The main goal of Step 2 in the troubleshooting process is to establish a theory of __________.

probable cause

In a client-server network, a user can log into any computer and access their files because the server manages user authentication and access __________.

centrally

The Protocol Data Unit (PDU) name at the Data Link layer is __________.

Frame

The first step in the troubleshooting methodology is to __________ the problem.

Identify

The final step in the troubleshooting methodology is to document findings/lessons learned, actions, and __________.

outcomes

A Local Area Network (LAN) is defined as a group of computers and devices connected within a distinct __________ area.

geographic

When updated on an issue, professional conduct tips suggest telling the customer when you expect to resolve the issue and keeping them __________.

updated

In the OSI model, Layer 7 is the __________ layer.

Application

In the OSI model, Layer 4 is the __________ layer.

Transport

In the OSI model, Layer 1 is the __________ layer.

Physical

Data delivered to the Physical layer is encoded before transmission as __________ numbers.

binary

To help transmit a packet to the next node on a network segment, the Data Link layer adds a __________.

Frame Header