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خذ اختبارات أخرى عبر الإنترنت

السؤال #1
A technician receives feedback that some users are experiencing high amounts of jitter while using the wireless network. While troubleshooting the network, the technician uses the ping command with the IP address of the default gateway and verifies large variations in latency. The technician thinks the issue may be interference from other networks and non-802.11 devices. Which of the following tools should the technician use to troubleshoot the issue?
A. NetFlow analyzer
B. Bandwidth analyzer
C. Protocol analyzer
D. Spectrum analyzer
عرض الإجابة
اجابة صحيحة: D
السؤال #2
Which of the following connector types would have the MOST flexibility?
A. SFP
B. BNC
C. LC
D. RJ45
عرض الإجابة
اجابة صحيحة: A
السؤال #3
A network field technician is installing and configuring a secure wireless network. The technician performs a site survey. Which of the following documents would MOST likely be created as a result of the site survey?
A. Physical diagram
B. Heat map
C. Asset list
D. Device map
عرض الإجابة
اجابة صحيحة: B
السؤال #4
A technician wants to install a WAP in the center of a room that provides service in a radius surrounding a radio. Which of the following antenna types should the AP utilize?
A. Omni
B. Directional
C. Yagi
D. Parabolic
عرض الإجابة
اجابة صحيحة: A
السؤال #5
An engineer notices some late collisions on a half-duplex link. The engineer verifies that the devices on both ends of the connection are configured for half duplex. Which of the following is the MOST likely cause of this issue?
A. The link is improperly terminated
B. One of the devices is misconfigured
C. The cable length is excessive
D. One of the devices has a hardware issue
عرض الإجابة
اجابة صحيحة: D
السؤال #6
A technician is deploying a low-density wireless network and is contending with multiple types of building materials. Which of the following wireless frequencies would allow for the LEAST signal attenuation?
A. 2
B. 5GHz
C. 850MHz
D. 900MHZ
عرض الإجابة
اجابة صحيحة: C
السؤال #7
An IT organization needs to optimize speeds for globalcontent distribution and wants to reduce latency in high-density user locations. Which of the following technologies BEST meets the organization’s requirements?
A. Load balancing
B. Geofencing
C. Public cloud
D. Content delivery network
E. Infrastructure as a service
عرض الإجابة
اجابة صحيحة: A
السؤال #8
A website administrator is concerned the company’s static website could be defaced by hacktivists or used as a pivot point to attack internal systems. Which of the following should a network security administrator recommend to assist with detecting these activities?
A. Implement file integrity monitoring
B. Change the default credentials
C. Use SSL encryption
D. Update the web-server software
عرض الإجابة
اجابة صحيحة: C
السؤال #9
A new cabling certification is being requested every time a network technician rebuilds one end of a Cat 6 (vendor-certified)cable to create a crossover connection that is used to connect switches. Which of the following would address this issue by allowing the use of the original cable?
A. CSMA/CD
B. LACP
C. PoE+
D. MDIX
عرض الإجابة
اجابة صحيحة: A
السؤال #10
Within the realm of network security, Zero Trust:
A. prevents attackers from moving laterally through a system
B. allows a server to communicate with outside networks without a firewall
C. block malicious software that is too new to be found in virus definitions
D. stops infected files from being downloaded via websites
عرض الإجابة
اجابة صحيحة: A
السؤال #11
A network administrator needs to query the NSs for a remote application. Which of the following commands would BEST help the administrator accomplish this task?
A. dig
B. arp
C. show interface
D. hostname
عرض الإجابة
اجابة صحيحة: B
السؤال #12
Wireless users are reporting intermittent internet connectivity. Connectivity is restored when the users disconnect and reconnect, utilizing the web authentication process each time. The network administrator can see the devices connected to the APs at all times. Which of the following steps will MOST likely determine the cause of the issue?
A. Verify the session time-out configuration on the captive portal settings
B. Check for encryption protocol mismatch on the client’s wireless settings
C. Confirm that a valid passphrase is being used during the web authentication
D. Investigate for a client’s disassociation caused by an evil twin AP
عرض الإجابة
اجابة صحيحة: B
السؤال #13
A network administrator is setting up several loT devices on a new VLAN and wants to accomplish the following * 1. Reduce manual configuration on each system * 2. Assign a specific IP address to each system * 3. Allow devices to move to different switchports on the same VLAN Which of the following should the network administrator do to accomplish these requirements?
A. Set up a reservation for each device
B. Configure a static IP on each device
C. Implement private VLANs for each device
D. Use DHCP exclusions to address each device
عرض الإجابة
اجابة صحيحة: D
السؤال #14
A client recently added 100 users who are using VMs. All users have since reported slow or unresponsive desktops. Reports show minimal network congestion, zero packet loss, and acceptable packet delay. Which of the following metrics will MOST accurately show the underlying performance issues? (Choose two.)
A. CPU usage
B. Memory
C. Temperature
D. Bandwidth
E. Latency
F. Jitter
عرض الإجابة
اجابة صحيحة: C
السؤال #15
A network engineer is investigating reports of poor network performance. Upon reviewing a device configuration, the engineer finds that duplex settings are mismatched on both ends. Which of the following would be the MOST likely result of this finding?
A. Increased CRC errors
B. Increased giants and runts
C. Increased switching loops
D. Increased device temperature
عرض الإجابة
اجابة صحيحة: A
السؤال #16
Branch users are experiencing issues with videoconferencing. Which of the following will the company MOST likely configure to improve performance for these applications?
A. Link Aggregation Control Protocol
B. Dynamic routing
C. Quality of service
D. Network load balancer
E. Static IP addresses
عرض الإجابة
اجابة صحيحة: C
السؤال #17
A branch of a company recently switched to a new ISP. The network engineer was given a new IP range to assign. The ISP assigned 196.26.4.0/26, and the branch gateway router now has the following configurations on the interface that peers to the ISP: The network engineer observes that all users have lost Internet connectivity. Which of the following describes the issue?
A. The incorrect subnet mask was configured
B. The incorrect gateway was configured
C. The incorrect IP address was configured
D. The incorrect interface was configured
عرض الإجابة
اجابة صحيحة: A
السؤال #18
Which of the following technologies provides a failover mechanism for the default gateway?
A. FHRP
B. LACP
C. OSPF
D. STP
عرض الإجابة
اجابة صحيحة: A
السؤال #19
Which of the following routing protocols is used to exchange route information between public autonomous systems?
A. OSPF
B. BGP
C. EGRIP
D. RIP
عرض الإجابة
اجابة صحيحة: B
السؤال #20
Which of the following can be used to centrally manage credentials for various types of administrative privileges on configured network devices?
A. SSO
B. TACACS+
C. Zero Trust
D. Separation of duties
E. Multifactor authentication
عرض الإجابة
اجابة صحيحة: B
السؤال #21
Given thefollowing information: Which of the following command-line tools would generate this output?
A. netstat
B. arp
C. dig
D. tracert
عرض الإجابة
اجابة صحيحة: D
السؤال #22
According to troubleshooting methodology, which of the following should the technician doNEXT after determining the most likely probable cause of an issue?
A. Establish a plan of action to resolve the issue and identify potential effects
B. Verify full system functionality and, if applicable, implement preventive measures
C. Implement the solution or escalate as necessary
D. Test the theory to determine the cause
عرض الإجابة
اجابة صحيحة: A
السؤال #23
A technician is troubleshooting a workstation's network connectivity and wants to confirm which switchport corresponds to the wall jack the PC is using Which of the following concepts would BEST help the technician?
A. Consistent labeling
B. Change management
C. Standard work instructions
D. Inventory management
E. Network baseline
عرض الإجابة
اجابة صحيحة: B

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