N10-009 || with errorless answers.
A network administrator is notified that a user cannot access resources on the network. The
network
administrator checks the physical connections to the workstation labeled User 3 and sees the
Ethernet is properly connected. However, the network interface's indicator lights are not blinking
on
either the computer or the switch. Which of the following Is the most likely cause?
A. The switch failed.
B. The default gateway is wrong.
C. The port Is shut down.
D. The VLAN assignment is incorrect. correct answers C
An administrator is setting up an SNMP server for use in the enterprise network and needs to
create
device IDs within a MIB. Which of the following describes the function of a MIB?
A. DHCP relay device
B. Policy enforcement point
C. Definition file for event translation
D. Network access controller correct answers C
Which of the following best explains the role of confidentiality with regard to data at rest?
A. Data can be accessed by anyone on the administrative network.
B. Data can be accessed remotely with proper training.
C. Data can be accessed after privileged access Is granted.
D. Data can be accessed after verifying the hash correct answers C
network engineer performed a migration to a new mail server. The engineer changed the MX
,record, verified the change was accurate, and confirmed the new mail server was reachable via
the
IP address in the A record. However, users are not receiving email. Which of the following
should the
engineer have done to prevent the issue from occurring?
A. Change the email client configuration to match the MX record.
B. Reduce the TTL record prior to the MX record change.
C. Perform a DNS zone transfer prior to the MX record change.
D. Update the NS record to reflect the IP address change. correct answers B
Which of the following IP transmission types encrypts all of the transmitted data?
A. ESP
B. AH
C. GRE
D. UDP
E. TC correct answers A
A network administrator notices interference with industrial equipment in the 2.4GHz range.
Which
of the following technologies would most likely mitigate this issue? (Select two).
A. Mesh network
B. 5GHz frequency
C. Omnidirectional antenna
D. Non-overlapping channel
E. Captive portal
F. Ad hoc network correct answers B D
,Which of the following disaster recovery metrics is used to describe the amount of data that is
lost
since the last backup?
A. MTTR
B. RTO
C. RPO
D. MTBF correct answers C
Which of the following can support a jumbo frame?
A. Access point
B. Bridge
C. Hub
D. Switch correct answers D
Which of the following is created to illustrate the effectiveness of wireless networking coverage
in a
building?
A. Logical diagram
B. Layer 3 network diagram
C. Service-level agreement
D. Heat map correct answers D
A user is unable to navigate to a website because the provided URL is not resolving to the correct
IP
address. Other users are able to navigate to the intended website without issue. Which of the
following is most likely causing this issue?
A. Hosts file
B. Self-signed certificate
, C. Nameserver record
D. IP helper
E. ANS correct answers A
An IT manager needs to connect ten sites in a mesh network. Each needs to be secured with
reduced
provisioning time. Which of the following technologies will best meet this requirement?
A. SD-WAN
B. VXLAN
C. VPN
D. NFV correct answers A
After installing a series of Cat 8 keystones, a data center architect notices higher than normal
interference during tests. Which of the following steps should the architect take to troubleshoot
the
issue?
A. Check to see if the end connections were wrapped in copper tape before terminating.
B. Use passthrough modular crimping plugs instead of traditional crimping plugs.
C. Connect the RX/TX wires to different pins.
D. Run a speed test on a device that can only achieve 100Mbps speeds. correct answers A
Which of the following most likely determines the size of a rack for installation? (Select two).
A. KVM size
B. Switch depth
C. Hard drive size
D. Cooling fan speed
E. Outlet amperage
F. Server height correct answers B F
A network administrator is notified that a user cannot access resources on the network. The
network
administrator checks the physical connections to the workstation labeled User 3 and sees the
Ethernet is properly connected. However, the network interface's indicator lights are not blinking
on
either the computer or the switch. Which of the following Is the most likely cause?
A. The switch failed.
B. The default gateway is wrong.
C. The port Is shut down.
D. The VLAN assignment is incorrect. correct answers C
An administrator is setting up an SNMP server for use in the enterprise network and needs to
create
device IDs within a MIB. Which of the following describes the function of a MIB?
A. DHCP relay device
B. Policy enforcement point
C. Definition file for event translation
D. Network access controller correct answers C
Which of the following best explains the role of confidentiality with regard to data at rest?
A. Data can be accessed by anyone on the administrative network.
B. Data can be accessed remotely with proper training.
C. Data can be accessed after privileged access Is granted.
D. Data can be accessed after verifying the hash correct answers C
network engineer performed a migration to a new mail server. The engineer changed the MX
,record, verified the change was accurate, and confirmed the new mail server was reachable via
the
IP address in the A record. However, users are not receiving email. Which of the following
should the
engineer have done to prevent the issue from occurring?
A. Change the email client configuration to match the MX record.
B. Reduce the TTL record prior to the MX record change.
C. Perform a DNS zone transfer prior to the MX record change.
D. Update the NS record to reflect the IP address change. correct answers B
Which of the following IP transmission types encrypts all of the transmitted data?
A. ESP
B. AH
C. GRE
D. UDP
E. TC correct answers A
A network administrator notices interference with industrial equipment in the 2.4GHz range.
Which
of the following technologies would most likely mitigate this issue? (Select two).
A. Mesh network
B. 5GHz frequency
C. Omnidirectional antenna
D. Non-overlapping channel
E. Captive portal
F. Ad hoc network correct answers B D
,Which of the following disaster recovery metrics is used to describe the amount of data that is
lost
since the last backup?
A. MTTR
B. RTO
C. RPO
D. MTBF correct answers C
Which of the following can support a jumbo frame?
A. Access point
B. Bridge
C. Hub
D. Switch correct answers D
Which of the following is created to illustrate the effectiveness of wireless networking coverage
in a
building?
A. Logical diagram
B. Layer 3 network diagram
C. Service-level agreement
D. Heat map correct answers D
A user is unable to navigate to a website because the provided URL is not resolving to the correct
IP
address. Other users are able to navigate to the intended website without issue. Which of the
following is most likely causing this issue?
A. Hosts file
B. Self-signed certificate
, C. Nameserver record
D. IP helper
E. ANS correct answers A
An IT manager needs to connect ten sites in a mesh network. Each needs to be secured with
reduced
provisioning time. Which of the following technologies will best meet this requirement?
A. SD-WAN
B. VXLAN
C. VPN
D. NFV correct answers A
After installing a series of Cat 8 keystones, a data center architect notices higher than normal
interference during tests. Which of the following steps should the architect take to troubleshoot
the
issue?
A. Check to see if the end connections were wrapped in copper tape before terminating.
B. Use passthrough modular crimping plugs instead of traditional crimping plugs.
C. Connect the RX/TX wires to different pins.
D. Run a speed test on a device that can only achieve 100Mbps speeds. correct answers A
Which of the following most likely determines the size of a rack for installation? (Select two).
A. KVM size
B. Switch depth
C. Hard drive size
D. Cooling fan speed
E. Outlet amperage
F. Server height correct answers B F
