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خذ اختبارات أخرى عبر الإنترنت

السؤال #1
A network administrator is getting reports of some internal users who cannot connect to network resources. The users slate they were able to connect last week, but not today. No changes have been configured on the network devices or server during the last few weeks. Which of the following is the MOST likely cause of the issue?
A. The client DHCP scope is fully utilized
B. The wired network is experiencing electrical interference
C. The captive portal is down and needs to be restarted
D. SNMP traps are being received
E. The packet counter on the router interface is high
عرض الإجابة
اجابة صحيحة: B
السؤال #2
Which of the following describes the ability of a corporate IT department to expand its cloud-hosted VM environment with minimal effort?
A. Scalability
B. Load balancing
C. Multitenancy
D. Geo-redundancy
عرض الإجابة
اجابة صحيحة: A
السؤال #3
A company is reviewing ways to cut the overall cost of Its IT budget. A network technician suggests removing various computer programs from the IT budget and only providing these programs on an as-needed basis. Which of the following models would meet this requirement?
A. Multitinency
B. laaS
C. SaaS
D. VPN
عرض الإجابة
اجابة صحيحة: A
السؤال #4
Due to concerns around single points of failure, a company decided to add an additional WAN to the network. The company added a second MPLS vendor to the current MPLS WAN and deployed an additional WAN router at each site. Both MPLS providers use OSPF on the WAN network, and EIGRP is run internally. The first site to go live with the new WAN is successful, but when the second site is activated significant network issues occur. Which of the following is the MOST likely cause for the WAN instability?
A. A routing loop
B. Asymmetrical routing
C. A switching loop
D. An incorrect IP address
عرض الإجابة
اجابة صحيحة: B
السؤال #5
Which of the following options represents the participating computers in a network?
A. Nodes
B. CPUs
C. Servers
D. Clients
عرض الإجابة
اجابة صحيحة: C
السؤال #6
A network engineer is monitoring a fiber uplink to a remote office and notes the uplink has been operating at 100% capacity for a long duration. Which of the following performance metrics is MOST likely to be impacted with sustained link saturation?
A. Latency
B. Jitter
C. Speed
D. Bandwidth
عرض الإجابة
اجابة صحيحة: A
السؤال #7
Which of the following uses the link-state routing algorithm and operates within a single autonomous system?
A. EIGRP
B. OSPF
C. RIP
D. BGP
عرض الإجابة
اجابة صحيحة: A
السؤال #8
A security administrator is trying to prevent incorrect IP addresses from being assigned to clients on the network. Which of the following would MOST likely prevent this and allow the network to continue to operate?
A. Configuring DHCP snooping on the switch
B. Preventing broadcast messages leaving the client network
C. Blocking ports 67/68 on the client network
D. Enabling port security on access ports
عرض الإجابة
اجابة صحيحة: C
السؤال #9
Which of the following ports should be used to securely receive mail that is synchronized across multiple devices?
A. 25
B. 110
C. 443
D. 993
عرض الإجابة
اجابة صحيحة: A
السؤال #10
Which of the following is considered a physical security detection device?
A. Cameras
B. Biometric readers
C. Access control vestibules
D. Locking racks
عرض الإجابة
اجابة صحيحة: A
السؤال #11
A systems operator is granted access to a monitoring application, configuration application, and timekeeping application. The operator is denied access to the financial and project management applications by the system's security configuration. Which of the following BEST describes the security principle in use?
A. Network access control
B. Least privilege
C. Multifactor authentication
D. Separation of duties
عرض الإجابة
اجابة صحيحة: B
السؤال #12
Network users reported that a recent firmware upgrade to a firewall did not resolve the issue that prompted the upgrade. Which of the following should be performed NEXT?
A. Reopen the service ticket, request a new maintenance window, and roll back to the anterior firmware version
B. Gather additional information to ensure users' concerns are not been caused by a different issue with similar symptoms
C. Employ a divide-and-conquer troubleshooting methodology by engaging the firewall vendor's support
D. Escalate the issue to the IT management team in order to negotiate a new SLA with the user's manager
عرض الإجابة
اجابة صحيحة: A
السؤال #13
Which of the following OSI model layers contains IP headers?
A. Presentation
B. Application
C. Data link
D. Network
E. Transport
عرض الإجابة
اجابة صحيحة: C
السؤال #14
Several users with older devices are reporting intermittent connectivity while in an outdoor patio area. After some research, the network administrator determines that an outdoor WAP might help with the issue. However, the company does not want the signal to bleed into the building and cause interference. Which of the following should the network administrator perform to BEST resolve the issue?
A. Disable the SSID broadcast on the WAP in the patio area
B. Install a WAP and enable 5GHz only within the patio area
C. Install a directional WAP in the direction of the patio
D. Install a repeater on the back wall of the patio area
عرض الإجابة
اجابة صحيحة: B
السؤال #15
Which of the following would be used to enforce and schedule critical updates with supervisory approval and include backup plans in case of failure?
A. Business continuity plan
B. Onboarding and offboarding policies
C. Acceptable use policy
D. System life cycle
E. Change management
عرض الإجابة
اجابة صحيحة: B
السؤال #16
A help desk technician is concerned that a client's network cable issues may be causing intermittent connectivity. Which of the following would help the technician determine if this is the issue?
A. Run the show interface command on the switch
B. Run the tracerouute command on the server
C. Run iperf on the technician's desktop
D. Ping the client's computer from the router
E. Run a port scanner on the client's IP address
عرض الإجابة
اجابة صحيحة: A

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