FiltersDone

Question type

Essay

Multiple Choice

Short Answer

True False

Matching

Exam 10: CompTIA Network+

Show Answer

Share

---

All types

Filters

Study FlashcardsPractice ExamLearn

Question 231

Multiple Choice

Review LaterAdd Note

Review Later

A network administrator has been given a network of 172.16.85.0/21 and wants to know the usable range of IP addresses on that subnet. Which of the following indicates the correct IP address range?

A) 172.16.80.0-172.16.85.254
B) 172.16.80.0-172.16.88.255
C) 172.16.80.1-172.16.87.254
D) 172.16.80.1-172.16.85.255

Correct Answer

verified

Show Answer

Question 232

Multiple Choice

Review LaterAdd Note

Review Later

A building is equipped with light sensors that turn off the fluorescent lights when natural light is above a certain brightness. Users report experiencing network connection issues only during certain hours. The west side of the building experiences connectivity issues in the morning hours and the east side near the end of the day. At night the connectivity issues affect the entire building. Which of the following could be the cause of the connectivity issues?

A) Light sensors are interfering with the network
B) EMI from the lights is interfering with the network cables
C) Network wiring is run perpendicular to electrical conduit
D) Temperature changes are causing attenuation in copper cabling

Correct Answer

verified

Show Answer

Question 233

Multiple Choice

Review LaterAdd Note

Which of the following networking devices operates at Layer1?

A company has a web-based application that is used by many different departments. The company has experienced some overload of resources on the database server. The network administrator implements a network device in between the servers and the database. Which of the following BEST describes the purpose of this device?

At which of the following layers of the OSI model would TCP/UDP operate?

Ann, a network technician, is told to disable unused ports on a switch. Another technician tells her the policy is to move those ports into a non-routed VLAN and leave them enabled. Which of the following documents should Ann use to ensure she is employing the correct method?

A technician has a remote site that often has congestion issues. When this happens, the remote router cannot be managed using SSH because the session drops. Which of the following is a possible solution to the issue?

A technician is installing a new wireless badging system on a hospital network. The requirements of the badging system are for it to have its own SSID and low power levels. The badging system has to cover 99.9% of the hospital. Which of the following is the BEST action to take to meet the system requirements?

A technician must determine if a web page user's visits are connecting to a suspicious website's IP address in the background. Which of the following tools would provide the information on TCP connections?

A network technician is investigating an issue with handheld devices in a warehouse. Devices have not been connecting to the nearest APs, but they have been connecting to an AP on the far side of the warehouse. Which of the following is the MOST likely cause of this issue?

A company is implementing a new firewall. The firewall is configured to allow only TCP ports 80 and 443 to exit the network and allow the same traffic back into the network using inbound stateful packet filtering. Users are not able to access URLs of common websites they visit. Which of the following is the MOST likely cause of the issue?

A technician is troubleshooting a point-to-point fiber-optic connection. The technician is at a remote site and has no connectivity to the main site. The technician confirms the switch and the send-and-receive light levels are within acceptable range. Both fiber SFPs are confirmed as working. Which of the following should the technician use to reveal the location of the fault?

Management has requested that services be available within 72 hours of a disaster. Budget is a major concern. A contract is signed with a company that has plenty of space, and the technician will have the option of putting infrastructure equipment in place. Which of the following BEST describes this business continuity strategy?

Which of the following wireless connection types utilize MIMO on non-overlapping channels? (Choose two.)

A network administrator is adding a new WAN circuit from the ISP to a new building. In which of the following locations would the network administrator find the utility entry point?

An email server, which is called "Frederick," has an IPv6 address of 2001::5689:23:ABCD:6A, but most users call it "Fred" for short. Which of the following DNS entries is needed so the alias "Fred" can also be used?

A junior network technician receives a help desk ticket from an end user who is having trouble accessing a web application that was working the previous day. After talking with the end user and gathering information about the issue, which of the following would be the most likely course of action for the technician to perform NEXT?

A network technician receives the following command output from a Linux-based machine: Which of the following commands did the network technician run?

A network technician is building a network for a small office. The office currently has cable TV and now requires access to the Internet without adding any cabling other than what is already in place. Which of the following solutions should the technician install to meet these requirements?

Which of the following datacenter security methodologies is MOST likely to remain usable during a network outage?