CompTIA Network+ : Domain 3.0 (3.1-3.3)

Which type of SNMP message retrieves information from a managed device?

A GET message

Which type of SNMP message sets a variable in a managed device or triggers an action on a managed device?

A SET message

Which type of SNMP message is an unsolicited message sent from a managed device to an SNMP manager to notify the SNMP manager about a significant event that occurred on the managed device?

A TRAP message

What piece of network equipment is typically defined as 'next generation' and allows network engineers to allow or deny traffic to specific locations within the network?

A firewall

What is required to start either differential or incremental backup plan?

A full back up

Which backup type contains all the data on a hard drive?

A full backup

Which configuration management documentation represents how the data will logically be transported through the network>

A logical network diagram

What connects the private or public line coming into a building with the internal network?

A main distribution frame

Which configuration management documentation consists of performance statistics gathered for comparative purposes?

A network performance baseline

Which configuration management documentation represents the physical locations of the network devices and their interconnections?

A physical network diagram

Which configuration management documentation emphasizes network connections and uses horizontal and vertical lines to represent network wires?

A wiring diagram

Which configuration management documentation includes the flow of network communication and symbols to indicate equipment function?

A wiring schematic

What connects internal lines to a MDF?

An IDF

The CIO canceled a contract with a third-party vendor since they refused to sign a contract to limit what users of sensitive data are permitted, what storage and distribution restrictions to enforce, and what penalties to anchor for breaches of the agreement. What kind of contract did the vendor fail to sign?

An NDA

What defines the minimum level of service that will be provided?

An SLA

Which type of policy defines how users are allowed to employ company hardware and software?

An acceptable use policy

As part of their sales and on-boarding practices, a managed service provider requires prospective clients to allow them to identify and record all assets, their age, warranty, and performance. What kind of report is this manage service provider completing?

An audit

A sysadmin noticed that there were changes to the hardware firewall not properly documented. The sysadmin does not know who made the change. What type of log should the sysadmin investigate that may shed light on who made the change in the firewall?

Audit log

A sysadmin recently upgraded the network connection of the corporate office from 10Mbps upload to 500Mbps download and 50Mbps upload. What did the sysadmin increase to improve access to the web?

Bandwidth

Employees are complaining that when browsing the company's web-based content relationship management system, the company has 500 employees that use this system, and the contracted internet speed is 10Mbps download and 1Mbps upload. What should the sysadmin increase in order to improve access to the cloud system?

Bandwidth

A network engineer recently received brand new network equipment for the corporate office and wants to run a check of the systems to ensure they know what to expect from the equipment. What kind of report should the sysadmin run?

Baseline

What happens when you use an active-active NIC team?

Both NICs work together to manage network traffic

Users at a company are complaining that while connected to the terminal server, Excel spreadsheet calculations are taking too long. The systems administrator researched the issue and found that the server has maxed out some of its resources. The server has a vacant open socket to expand available resources for users. What would the systems administrator most likely add to the server to improve performance?

CPU

What describes the calculation of a checksum based on the contents of a frame used to detect errors?

CRC

Name the method of fault tolerance used when a group of servers, consisting of redundant nodes, prevents disruption of network services.

Clustering

Which recovery site has the largest recovery time: cold site, warm site, or hot site?

Cold site

A systems administrator is responding to an issue with employees who cannot access their terminal server from outside the office. After looking at the router, the settings seem to have changed. What is most likely the issue with the network equipment?

Configuration

A systems administrator recently implemented a policy that prevents employees from transferring data from their work email to their personal email. What kind of policy did the system administrator implement?

DLP (Data Loss Prevention)

A sysadmin is monitoring a server to see what is causing performance issues. The sysadmin sees high processor and memory utilization. What should the sysadmin monitor to see what is causing it?

Disk I/O

An engineer, configures redundant equipment for both a fiber and a copper connection to the Internet. What networking concept of the engineer used to justify the added expense?

Diverse paths

A network engineer is trying to get approval to replace aging network equipment. The justification for the purchase was that the office lost connectivity due to the devices becoming overloaded and overheated. What was the engineer using as justification?

Downtime/Uptime

A network operations engineer is investigating alerts that the data center keeps switching to battery backup. What environmental factor should the engineer investigate?

Electrical

A sysadmin is researching a connectivity issue. The sysadmin sees the physical link listed as up, but the line protocol listed as down. What may be causing the issue that the sysadmin should investigate?

Encapsulation errors

What kind of system should large data centers have to prevent catastrophic loss of server equipment?

Fire suppression

A company is developing a new office and has tasked the IT department with creating a document to show where their electrical vendor needs to run electrical and Internet cabling throughout the office. What kind of diagram would best accomplish this?

Floor diagram

In which mode does network communication occur in both directions simultaneously?

Full-duplex mode

In which mode does network communication occur in both directions, but only in one direction at a time?

Half duplex mode

Which recovery site is the most expensive to implement: cold site, warm site, or hot site?

Hot site

What is the name of the smaller technical closets, typically found in large network environments, that connect back to a central technical closet?

IDF

Users are reporting that their phone calls are really garbled. End of poor quality. What should the systems administrator investigate?

Jitter

A sysadmin is investigating an issue between two geographically distant offices. Users at these locations report that accessing the shared drive at the corporate office is taking too long, even though all three locations have gigabit speed internet. What indicator could help direct the sysadmin to the issue?

Latency

What limits a company's rights to installing and running an application or OS?

Licensing restrictions

A sysadmin is setting up a new office for an employee. After hooking the computer up to the network with an Ethernet cable, the sysadmin noticed the computer was not getting a connection. The sysadmin previously hooked up the corresponding patch panel port to the switch but is not seeing any lights on the port. What does the sysadmin need to configure on the switch to fix the connectivity issue?

Link state

What is another term for NIC teaming?

Load Balancing and Failover (LBFO)

If a syslog states there is a critical, emergency or informational issue, the syslog is referring to what?

Logging levels and severity levels

What kind of diagram shows the architecture of a network without involving a precise layout based on a floor plan?

Logical

A CIO ran a report showing the cheaper model workstations that the company is buying have a high failure rate. The CIO estimates three months will pass before another workstation becomes unusable. What kind of calculation is the CIO running?

MTBF

What should you consult to understand which chemicals technicians will come into contact with and any safety issues regarding those chemicals?

Material Safety Data Sheet (MSDS)

What are examples of a KPI?

Meantime between failures (MTBF) Meantime to repair (MTTR)

A server running an SQL database is running out of capacity. The sysadmin noticed the disk space is not maxed out and the processor is running at 25% capacity as well. What is another component of the server that the sysadmin should look at to restore the database's functionality?

Memory

A new network engineer found out the primary connection at one of the remote office is failed but notice traffic was still finding its way to the corporate office. The site had a secondary connection. What networking concept of the new engineer experience?

Multipathing

What term describes a technique that constitutes a form of link aggregation?

NIC teaming

What kind of tool can a network admin run to measure the network statistics of a building's network equipment?

NetFlow

What are the set of policies that apply to when personnel are hired and terminated?

On-boarding/Off-boarding policies

What happens when you use an active-passive NIC team?

One NIC is the primary NIC. The other NIC is only brought over in a failover situation when the primary NIC is down

Which solution does a network closet use to clean a power signal?

PDU

A sysadmin noticed a large amount of traffic connecting to a server, causing high processor and memory utilization. What was the sysadmin monitoring?

Packet count

What should you do to ensure that no unauthorized wireless APs are established in your network?

Perform a site survey

What does a wiring diagram use to represent components?

Pictures

A desktop engineer is responding to a support request stating that a brand new machine with 16GBs of memory and an m.2 SSD is still running too slow. What component did an administrator poorly choose when ordering the device?

Processor

A network engineer is setting up a policy to limit who has access to the terminal server and when the are allowed to access the terminal server and log any actions done on the terminal server. What policy would the network engineer best implement in this situation?

Remote access

A sysadmin is running into the issue that traffic is getting dropped by the network equipment. After researching the issue, the sysadmin found that the individual packets were too small. What should the sysadmin configure to remove?

Runts

A sysadmin is looking to monitor the network devices by pulling data off of them remotely. What kind of network equipment functionality can the sysadmin use to accomplish this?

SNMP Trap

What describes the function of a switch that gathers and sends out device statistics and issues alerts?

SNMP trap

What is a basic document that helps employees complete the same task with the same steps to ensure quality and success?

SOP

A sysadmin is implementing a policy that establishes a duty for each employee to ensure confidentiality, integrity, and availability of data assets in the company ownership. What kind of policy is the sysadmin creating?

Security

A new switch has a better ability to handle data transfer than a previous switch to prevent it from being overloaded. An overloaded router can cause a problem with what process?

Sending or receiving traffic

After a sysadmin fixed the configurations of one of the switches, the number of packet collisions dropped to near zero. What setting was most likely contributing to the packet collisions?

Speed/Duplex

What does a wiring schematic use to represent components?

Symbols

A sysadmin is trying to understand what is causing the company's virtual private network connections to fail. What kind of log would help the sysadmin track down the issue?

Syslog

A CIO needs to prepare a process for the purchase, maintenance, and decommissioning of assets in the company. The CIO wants to ensure properly supported equipment. What kind of roadmap would help the CIO accomplish this task?

System Life Cycle

What runs on SNMP managed devices?

The Simple Network Management Protocol (SNMP) agent

Which Event Viewer log consolidates events captured from remote computers into a single log to facilitate problem isolation and remediation?

The forwarded events log

Which configuration management documentation should you edit if you change the server roles or protocols used?

The logical network diagram

Which two configuration management documents should you edit if you change your network cable from Cat5 to fiber optic cable?

The network baseline and the physical network diagram

Which configuration management documentation should you edit if you change the IP address and server names of a few computers?

The physical network diagram

What is the purpose of the DRP?

To ensure that your company is able to resume operation in a timely manner following a disruption

What is the correct formula for the mean time between failures?

Total operational time/Number of failures

A sysadmin is investigating an issue on a switch after receiving reports that connecting to any network resource, local or on the web, is much slower than normal. What kind of log should the sysadmin investigate to determine what may be causing the issue?

Traffic