Page 21 of 31 · 604 total questions.
A user is unable to reach a website and wants to verify its IP information. Which of the following tools is used to resolve the authoritative server to its FQDN?
The correct answer is C. Option C: nslookup
Users in one building on the campus network report very slow network access. A network technician logs in to the router to see if there are any errors associated with traffic to and from that particular building. Which of the following commands will the technician most likely run?
The correct answer is D. Option D: show interface
Which of the following is enforced through legislation?
The correct answer is B. Option B: GDPR
Which of the following actions should be taken as part of the first step of the troubleshooting methodology?
The correct answer is B. Option B: Handle multiple problems individually.
After extremely high temperatures cause a power outage, the servers automatically shut down, even though the UPSs for the servers still have hours of battery life. Which of the following should a technician recommend?
The correct answer is A. Option A: Include backup power for air-conditioning units.
While deploying a new fleet of computers on a DHCP network, a network administrator notices that new computers cannot connect to the internet. Which of the following is most likely the problem?
The correct answer is B. Option B: Address pool exhaustion
A network technician is designing a LAN for a new facility. The company is expecting more than 300 devices to connect to the network. Which of the following masks will provide the most efficient subnet?
The correct answer is C. Option C: 255.255.254.0
A network administrator received reports that a 40Gb connection is saturated. The only server the administrator can use for data collection in that location has a 10Gb connection to the network. Which of the following is the best method to use on the server to determine the source of the saturation?
The correct answer is C. Option C: Flow data
A technician is alarmed after noticing more than 5,000 CRCs on a switchport. Which of the following should the technician do next?
The correct answer is C. Option C: Swap out the patch cable.
A network engineer runs ipconfig and notices that the default gateway is 0.0.0.0. Which of the following address types is in use?
The correct answer is A. Option A: APIPA
A network administrator needs to deploy a new wireless solution at a customer site. All external users must provide credentials before being granted access to the wireless solution. Which of the following would best meet the requirements of this installation?
The correct answer is D. Option D: Add a captive portal for the guest network.
A network engineer adds a tunnel for a new branch network. Which of the following ensures that all data is encrypted inside the tunnel?
The correct answer is A. Option A: ESP This option keeps traffic private / properly secured as required.
Which of the following routing technologies uses an attribute list for path selection?
The correct answer is A. Option A: BGP
A network administrator is configuring a subnet that needs to support 13 usable IP addresses. Which of the following subnet masks best meets this requirement?
The correct answer is D. Option D: 255.255.255.240
A systems administrator installs multiple web servers and intends to use the First Hop Redundancy Protocol to control routing to the servers. Which of the following types of IP addresses should the administrator use to support this routing approach?
The correct answer is A. Option A: Virtual
Which of the following is the best device to use to provide security and filtering between a private network and a public network?
The correct answer is B. Option B: Firewall
Explanation
A firewall enforces traffic policy by permitting or blocking connections based on configured rules. This option keeps traffic private / properly secured as required.
An employee has a new laptop and reports slow performance when using the wireless network. Switch firmware was updated the previous night. A network administrator logs in to the switch and sees the following statistics on the switch interface for that employee: Which of the following is most likely the cause of the issue?
The correct answer is D. Option D: The NIC is set to half duplex.
Which of the following should an installer orient a port-side exhaust to when installing equipment?
The correct answer is C. Option C: The warm aisle
Which of the following ports is a secure protocol?
The correct answer is C. Option C: 443 This option keeps traffic private / properly secured as required.
A detective is investigating an identity theft case in which the target had an RFID-protected payment card issued and compromised in the same day. The only place the target claims to have used the card was at a local convenience store. The detective notices a video camera at the store is placed in such a way that customers’ credentials can be seen when they pay. Which of the following best explains this social engineering technique?
The correct answer is A. Option A: Shoulder surfing
Showing questions 401–420 of 604 · Page 21 of 31