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NEW QUESTION # 91
A network administrator needs to set up a network monitoring solution. It must have the following features:
* Ability to define read-only users
* Community strings for authentication
* Availability as free open-source software
* Ability to feed a dashboard
Which of the following should the administrator do to complete this task?
Answer: D
Explanation:
The correct answer is SNMP because Simple Network Management Protocol is commonly used to monitor network devices such as switches, routers, firewalls, servers, and wireless access points. SNMP supports community strings, especially in SNMPv1 and SNMPv2c, which function as basic authentication values. A read-only community string allows monitoring systems to collect device information without allowing configuration changes. This directly matches the requirement for read-only users and community-string-based authentication.
CompTIA Network+ N10-009 includes monitoring, management protocols, and operational tools as part of network operations. SNMP data can be collected by open-source monitoring platforms and displayed in dashboards for visibility into bandwidth usage, interface status, errors, CPU utilization, memory usage, and device availability.
TACACS+ is used for centralized authentication, authorization, and accounting, especially for administrative access to network devices. LLDP is a discovery protocol that helps identify neighboring devices but does not provide full monitoring dashboards. A SIEM collects and correlates security events, but community strings are not a SIEM feature. Therefore, configuring SNMP is the best answer.
NEW QUESTION # 92
Which action should you take to correct a misconfigured alias in DNS?
Answer: A
Explanation:
A CNAME (Canonical Name) record maps an alias to the correct fully qualified domain name (FQDN). If a user is redirected to the wrong hostname, correcting or updating the CNAME ensures the alias points to the proper domain.
* B. PTR record maps IP to hostname (reverse DNS), not forward website resolution.
* C. NTP relates to time sync, irrelevant to DNS resolution.
* D. TXT record stores metadata like SPF or DKIM info, not used for hostname aliasing.
References (CompTIA Network+ N10-009):
* Domain: Network Standards, Protocols, and Implementations - DNS record types (A, AAAA, CNAME, PTR, TXT).
NEW QUESTION # 93
Which of the following ports is associated with securely managing identity across a Windows domain?
Answer: B
Explanation:
Secure identity management in a Windows domain uses LDAPS, which operates over port 636 to provide encrypted directory service communications.
NEW QUESTION # 94
A network administrator determines that some switch ports have more errors present than expected. The administrator traces the cabling associated with these ports. Which of the following would most likely be causing the errors?
Answer: C
Explanation:
High electromagnetic fields around voltage transformers induce interference on copper cables, leading to increased errors.
NEW QUESTION # 95
A network technician replaced an access layer switch and needs to reconfigure it to allow the connected devices to connect to the correct networks.
INSTRUCTIONS
Click on the appropriate port(s) on Switch 1 and Switch 3 to verify or reconfigure the correct settings:
Ensure each device accesses only its
correctly associated network.
Disable all unused switchports.
. Require fault-tolerant connections
between the switches.
. Only make necessary changes to
complete the above requirements.
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
To provide a complete solution for configuring the access layer switches, let ' s proceed with the following steps:
Identify the correct VLANs for each device and port.
Enable necessary ports and disable unused ports.
Configure fault-tolerant connections between the switches.
Port 1 Configuration (Uplink to Core Switch)
Status: Enabled
LACP: Enabled
Speed: 1000
Duplex: Full
VLAN Configuration: Tagged for VLAN60, VLAN90, VLAN120, VLAN150, VLAN220 Port 2 Configuration (Uplink to Core Switch) Status: Enabled LACP: Enabled Speed: 1000 Duplex: Full VLAN Configuration: Tagged for VLAN60, VLAN90, VLAN120, VLAN150, VLAN220 Port 3 Configuration (Server Connection) Status: Enabled LACP: Disabled Speed: 1000 Duplex: Full VLAN Configuration: Untagged for VLAN90 (Servers) Port 4 Configuration (Server Connection) Status: Enabled LACP: Disabled Speed: 1000 Duplex: Full VLAN Configuration: Untagged for VLAN90 (Servers) Port 5 Configuration (Wired Users and WLAN) Status: Enabled LACP: Enabled Speed: 1000 Duplex: Full VLAN Configuration: Tagged for VLAN60, VLAN120, VLAN150 Port 6 Configuration (Wired Users and WLAN) Status: Enabled LACP: Enabled Speed: 1000 Duplex: Full VLAN Configuration: Tagged for VLAN60, VLAN120, VLAN150 Port 7 Configuration (Voice and Wired Users) Status: Enabled LACP: Enabled Speed: 1000 Duplex: Full VLAN Configuration: Tagged for VLAN60, VLAN90, VLAN120, VLAN220 Port 8 Configuration (Voice, Printers, and Wired Users) Status: Enabled LACP: Enabled Speed: 1000 Duplex: Full VLAN Configuration: Tagged for VLAN60, VLAN90, VLAN120, VLAN220 Port 1 Configuration (Unused) Status: Disabled LACP: Disabled Port 2 Configuration (Unused) Status: Disabled LACP: Disabled Port 3 Configuration (Connection to Device) Status: Enabled LACP: Disabled Speed: 1000 Duplex: Full VLAN Configuration: Untagged for VLAN1 (Default) Port 4 Configuration (Connection to Device) Status: Enabled LACP: Disabled Speed: 1000 Duplex: Full VLAN Configuration: Untagged for VLAN1 (Default) Port 5 Configuration (Connection to Device) Status: Enabled LACP: Disabled Speed: 1000 Duplex: Full VLAN Configuration: Untagged for VLAN1 (Default) Port 6 Configuration (Connection to Device) Status: Enabled LACP: Disabled Speed: 1000 Duplex: Full VLAN Configuration: Untagged for VLAN1 (Default) Port 7 Configuration (Connection to Device) Status: Enabled LACP: Disabled Speed: 1000 Duplex: Full VLAN Configuration: Untagged for VLAN1 (Default) Ports 1 and 2 on Switch 1 are configured as trunk ports with VLAN tagging enabled for all necessary VLANs.
Ports 3 and 4 on Switch 1 are configured for server connections with VLAN 90 untagged.
Ports 5, 6, 7, and 8 on Switch 1 are configured for devices needing access to multiple VLANs.
Unused ports on Switch 3 are disabled.
Ports 3, 4, 5, 6, and 7 on Switch 3 are enabled for default VLAN1.
Core Switch Ports should be configured as needed for uplinks to Switch 1.
Ensure LACP is enabled for redundancy on trunk ports between switches.
By following these configurations, each device will access only its correctly associated network, unused switch ports will be disabled, and fault-tolerant connections will be established between the switches.
NEW QUESTION # 96
......
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