Computer Networking Unit 7 Review

Which of the following is a characteristic of a cold site?

Requires setup after a disaster

What is the key benefit of Configuration Audits?

To verify that network device settings match approved configurations

Why is Backup Configuration important in IT networks?

It ensures quick restoration of network settings if needed

What is the purpose of a Baseline/Golden Configuration?

To define a standard configuration for network devices

Which of the following is NOT a key part of Configuration Management?

Employee Salary Management

Why is Configuration Management important in network administration?

It ensures devices are configured consistently and securely

What is an example of Service Request Tracking?

A help desk system logging and tracking IT support requests

What is the primary benefit of a Service Request Tracking system?

It ensures all service requests are recorded and handled efficiently

What is an example of a poorly managed network change?

Deploying a new router without proper planning, causing network outages

What is the main purpose of Change Management in IT?

To manage network updates in a controlled and tested manner

Why is it important to monitor End-of-Life (EOL) and End-of-Support (EOS) for IT assets?

To plan upgrades and avoid security risks

Which of the following is NOT a typical component of life-cycle management?

Employee performance reviews

What is the primary function of a Service-Level Agreement (SLA)?

To define service expectations and performance metrics

Why is it important to track software licenses?

To ensure compliance and avoid legal issues

What is the primary purpose of asset inventory in an IT department?

To maintain a record of hardware and software assets

Why might an organization invest in out-of-band management?

To ensure secure and reliable access to network devices even during outages

What is primary drawback of in-band management?

Management access can be disrupted if the main network experiences issues

How does in-band management differ from out-of-band management?

B. Split tunneling routes only work-related traffic through the VPN, while full tunneling routes all traffic

What is a major benefit of using a jump box for administrative access?

It reduces the attacks surface by centralizing access control

What is the purpose of a jump box in network security?

To act as an intermediary server that controls access to sensitive networks

What is a key characteristic of console-based management?

It requires a direct, physical connection to the device

Why would an administrator choose API-based management?

To automate tasks and integrate systems efficiently

Which administrative access method provides a graphical interface for remote management?

RDP

Which port does SSH typically use for secure remote access?

22

What is the primary purpose of SSH in network management?

To allow encrypted remote command-line access to devices

What is the difference between full tunneling and split tunneling in a Client-to-Site VPN?

Split tunneling routes only work-related traffic through the VPN, while full tunneling routes all traffic

How does a Client-to-Site VPN differ from a Site-to-Site VPN?

It connects individual users to the corporate network remotely

What is the main advantage of using a Site-to-Site VPN over leased lines?

It is more cost-effective and simplifies network management

What is the primary function of a Site-to-Site VPN?

To establish a secure connection between multiple office locations

What is port mirroring used for?

Copying network packets to another port for monitoring

What is API integration used for in network monitoring?

To connect software applications and enable data exchange

What is the purpose of a SIEM system?

To provide real-time analysis and management of security-related data

What is the function of a syslog collector?

To gather and process log messages from various network devices

What triggers anomaly alerts in network monitoring?

Predefined metrics exceeding normal thresholds

What do baseline metrics help network administrators do?

Establish normal network performance for comparison

Which tool is commonly used for packet capture?

Wireshark

What is the purpose of packet capture?

To intercept and record network packets for analysis

Which technology is commonly used for flow data collection?

NetFlow

What does flow data provide insights into?

Traffic patterns, volume, and destinations

Why is SNMP v3 preferred over SNMP v2c?

It encrypts data and provides authentication

Which protocol is used for managing and monitoring network devices?

SNMP

What is the primary purpose of network monitoring?

To gather, analyze, and interpret network data for reliability and security

Why is communication important during the troubleshooting process?

To help maintain user trust and keep stakeholders informed

If a network issue has many symptoms and causes confusion, what is a recommended strategy?

Break the problem into smaller parts

What should you do to prevent the same network problem from happening again?

Document the fix and add preventative measures

Why is user feedback important after applying a network fix?

It helps verify that the fix worked in real conditions

What is a key action during the "Apply the Fix" step?

Monitor the system during and after changes

What step comes immediately AFTER confirming your theory of probable cause?

Make a plan to fix the problem

Why should you only make one change at a time when testing a theory?

To know exactly which change caused the result

When forming a theory during troubleshooting, what should you do first?

Start with simple and likely explanations

Why is it helpful to try to reproduce the issue in a test environment?

It allows safe experimentation without affecting the live network

What is the FIRST step in an effective network troubleshooting process?

Understand and define the problem

If a system has a high Mean Time Between Failure (MTBF), what does that indicate?

It is very reliable

Which testing method validates the disaster recovery plan using actual systems?

Validation Test

What metric shows the average time it takes to fix a system after a failure?

MTTR

What is the purpose of a tabletop exercise in disaster recovery testing?

To discuss the response plan without affecting systems

What is the primary difference between active-passive and active-active high availability setups?

Active-active systems both operate simultaneously

Which disaster recovery site is most expensive and offers the fastest recovery time?

Hot site

A company has an RTO of 2 hours. What does this mean?

Systems must be restored within 2 hours of failure

Which of the following best describes a Recovery Point Objective (RPO)?

How much data loss is acceptable

What is the main goal of a Disaster Recovery (DR) plan?

To restore systems and data quickly after a disruption