質問 1:Which of the following allows a user toconnect to an isolated deviceon astand-alone network?
A. API gateway
B. Secure Shell (SSH)
C. Clientless VPN
D. Jump box
正解:D
解説: (Topexam メンバーにのみ表示されます)
質問 2:A support agent receives a report that a remote user's wired devices are constantly disconnecting and have slow speeds. Upon inspection, the support agent sees that the user's coaxial modern has a signal power of -97 dB.
A. Moving the devices closer to the modern
B. Removing any spliters connecte to the line
C. Lowering the network speed
D. Switching the devices to wireless
正解:B
解説: (Topexam メンバーにのみ表示されます)
質問 3:Users are unable to access files on their department share located on file server 2.
The network administrator has been tasked with validating routing between networks hosting workstation A and file server 2.
INSTRUCTIONS
Click on each router to review output, identify any issues, and configure the appropriate solution.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.





正解:
See the solution in Explanation.
Explanation:
To validate routing between networks hosting Workstation A and File Server 2, follow these steps:
* Review Routing Tables:
* Check the routing tables of Router A, Router B, and Router C to identify any missing routes.
* Identify Missing Routes:
* Ensure that each router has routes to the networks on which Workstation A and File Server 2 are located.
* Add Static Routes:
* If a route is missing, add a static route to the relevant destination network via the correct interface.
* Routing Table:
Gateway of last resort is 0.0.0.0 to network 0.0.0.0
S* 0.0.0.0/0 is directly connected, GigabitEthernet3
10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks
C 10.0.4.0/22 is directly connected, GigabitEthernet2
C 10.0.6.0/24 is directly connected, GigabitEthernet2
L 10.0.6.1/32 is directly connected, GigabitEthernet2
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C 172.16.27.0/30 is directly connected, GigabitEthernet3
L 172.16.27.1/32 is directly connected, GigabitEthernet3
* Routing Table:
Gateway of last resort is 0.0.0.0 to network 0.0.0.0
S* 0.0.0.0/0 is directly connected, GigabitEthernet1
10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks
C 10.0.0.0/22 is directly connected, GigabitEthernet1
L 10.0.0.1/32 is directly connected, GigabitEthernet1
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C 172.16.27.4/30 is directly connected, GigabitEthernet1
L 172.16.27.5/32 is directly connected, GigabitEthernet1
* Routing Table:
10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks
S 10.0.0.0/22 [1/0] via GigabitEthernet1
S 10.0.4.0/22 [1/0] via GigabitEthernet2
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C 172.16.27.0/30 is directly connected, GigabitEthernet2
L 172.16.27.2/32 is directly connected, GigabitEthernet2
C 172.16.27.4/30 is directly connected, GigabitEthernet1
L 172.16.27.6/32 is directly connected, GigabitEthernet1
* Install Static Route to 10.0.0.0/22 via 172.16.27.1 (assuming Router C's IP is 172.16.27.1):
Destination Prefix: 10.0.0.0
Destination Prefix Mask: 255.255.252.0
Interface: GigabitEthernet3
* Install Static Route to 10.0.4.0/22 via 172.16.27.5 (assuming Router C's IP is 172.16.27.5):
Destination Prefix: 10.0.4.0
Destination Prefix Mask: 255.255.252.0
Interface: GigabitEthernet1
* Install Static Route to 10.0.6.0/24 via 172.16.27.2 (assuming Router A's IP is 172.16.27.2):
Destination Prefix: 10.0.6.0
Destination Prefix Mask: 255.255.255.0
Interface: GigabitEthernet2
Install Static Route to 10.0.0.0/22 via 172.16.27.1 (assuming Router B's IP is 172.16.27.1):
Destination Prefix: 10.0.0.0
Destination Prefix Mask: 255.255.252.0
Interface: GigabitEthernet1
Summary of Static Routes:
* Router A:
* ip route 10.0.0.0 255.255.252.0 GigabitEthernet3
* Router B:
* ip route 10.0.4.0 255.255.252.0 GigabitEthernet1
* Router C:
* ip route 10.0.6.0 255.255.255.0 GigabitEthernet2
* ip route 10.0.0.0 255.255.252.0 GigabitEthernet1
These configurations ensure that each router knows the correct paths to reach Workstation A and File Server
2, resolving the connectivity issue.
質問 4:Newly crimped 26ft (8m) STP Cat 6 patch cables were recently installed in one room to replace cables that were damaged by a vacuum cleaner. Now, users in that room are unable to connect to the network. A network technician tests the existing cables first. The 177ft (54m) cable that runs from the core switch to the access switch on the floor is working, as is the 115ft (35m) cable run from the access switch to the wall jack in the office. Which of the following is the most likely reason the users cannot connect to the network?
A. The cable distance is exceeded.
B. The patch cables are not plenum rated.
C. An incorrect pinout on the patch cable is being used.
D. Mixed UTP and STP cables are being used.
正解:C
解説: (Topexam メンバーにのみ表示されます)
質問 5:Which of the followingnetwork portsis used when a client accesses anSFTPserver?
A. 80
B. 443
C. 3389
D. 22
正解:D
解説: (Topexam メンバーにのみ表示されます)
質問 6:Which of the following is most closely associated with a dedicated link to a cloud environment and may not include encryption?
A. VPN
B. Captive portal
C. Internet gateway
D. Direct Connect
正解:D
解説: (Topexam メンバーにのみ表示されます)
質問 7:A network engineer is completing a wireless installation in a new building. A requirement is that all clients be able to automatically connect to the fastest supported network. Which of the following best supports this requirement?
A. Enabling band steering
B. Configuring MAC filtering
C. Adding a captive portal
D. Disabling the 5GHz SSID
正解:A
解説: (Topexam メンバーにのみ表示されます)
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CompTIA N10-009 認定試験の出題範囲:
トピック | 出題範囲 |
---|
トピック 1 | - Cloud concepts and connectivity options, and Common networking ports.
|
トピック 2 | - Network Operations: For IT operations staff and network operations center (NOC) technicians, this part of the exam covers the purpose of organizational processes and procedures and use of network monitoring technologies.
|
トピック 3 | - Networking Concepts: For network administrators and IT support professionals, this domain covers
|
トピック 4 | - OSI reference model concepts, Comparison of networking appliances, applications, and functions
|
参照:https://www.comptia.org/certifications/network#examdetails
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