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Worksheets126-150 FragenNO.126 A network administrator needs to provide ev
Total questions: 25
Worksheet time: 25mins
NO.126 A network administrator needs to provide evidence to confirm that recent network outages
were caused by increased traffic generated by a recently released application. Which of the following actions will BEST support the administrator's response?
Generate a network baseline report for comparison
Export the firewall traffic logs
Collect the router's NetFlow data
Plot interface statistics for dropped packets
NO.127 A network technician is manually configuring the network settings for a new device and is
told the network block is 192.168.0.0/20. Which of the following subnets should the technician use?
255.255.128.0
255.255.192.0
255.255.240.0
255.255.248.0
NO.128 Switch 3 was recently added lo an existing stack to extend connectivity to various parts of
the network. After the update, new employees were not able to print to the main networked copiers
from then workstations.
Following are the port configurations for the switch stack in question:
Enable the printer ports on Switch 3
Reconfigure the duplex settings on the printer ports on Switch 3
Reconfigure the VLAN on an printer ports to VLAN 20 and Enable all ports that are shut down on me stack
Reconfigure me VLAN on the printer ports on Switch 3
Enable wireless APs on Switch 3
NO.129 A user tries to ping 192.168.1.100 from the command prompt on the 192.168.2.101
network but gets the following response: U.U.U.U. Which of the following needs to be configured for
these networks to reach each other?
Network address translation
Default gateway
Loopback
Routing protocol
NO.130 AGRE tunnel has been configured between two remote sites. Which of the following
features, when configured, ensures me GRE overhead does not affect payload?
jumbo frames
Auto medium-dependent Interface
Interface crossover
Collision detection
NO.131 Which of the following documents would be used to define uptime commitments from a
provider, along with details on measurement and enforcement?
NDA
SLA
MOU
AUP
NO.132 The following DHCP scope was configured for a new VLAN dedicated to a large deployment
of 325 loT sensors:
The first 244 loT sensors were able to connect to the TFTP server, download the configuration file,
and register to an loT management system. The other sensors are being shown as offline. Which of
the following should be performed to determine the MOST likely cause of the partial deployment of
the sensors?
Check the gateway connectivity to the TFTP server
Check the DHCP network scope
Check whether the NTP server is online
Check the loT devices for a hardware failure
NO.133 A network technician needs to ensure the company's external mail server can pass reverse
lookup checks.
Which of the following records would the technician MOST likely configure? (Choose Correct option
and give explanation directly from CompTIA Network+ Study guide or documents)
PTR
AAAA
SPF
CNAME
NO.134 A network technician 13 troubleshooting a network issue for employees who have reported
Issues with speed when accessing a server in another subnet. The server is in another building that is
410ft (125m) away from the employees' building. The 10GBASE-T connection between the two
buildings uses Cat 5e. Which of the following BEST explains the speed issue?
The connection type is not rated for that distance
A broadcast storm is occurring on the subnet.
The cable run has interference on it
The connection should be made using a Cat 6 cable
NO.135 A technician is troubleshooting a wireless connectivity issue in a small office located in a
high-rise building.
Several APs are mounted in this office. The users report that the network connections frequently
disconnect and reconnect throughout the day. Which of the following is the MOST likely cause of this
issue?
The AP association time is set too low
EIRP needs to be boosted
Channel overlap is occurring
The RSSI is misreported
NO.136 Which of the following provides redundancy on a file server to ensure the server is still
connected to a LAN even in the event of a port failure on a switch?
NIC teaming
Load balancer
RAID array
PDUs
NO.137 A network administrator responds to a support ticket that was submitted by a customer
who is having issues connecting to a website inside of the company network The administrator
verities that the customer could not connect to a website using a URL Which of the following
troubleshooting steps would be BEST for the administrator to take?
Check for certificate issues
Contact the ISP
Attempt to connect to the site via IP address
Check the NTP configuration
NO.138 A network technician needs to install security updates on several switches on me company's
network. The management team wants this completed as quickly and efficiently as possible. Which of
the following should the technician do to perform the updates?
Upload the security update onto each switch using a terminal emulator and a console cable
Configure a TFTP server. SSH into each device, and perform the update
Replace each old switch with new switches that have the updates already performed
Connect a USB memory stick to each switch and perform the update
NO.139 Which of the following is the NEXT step to perform network troubleshooting after
identifying an issue?
Implement a solution.
Establish a theory.
Escalate the issue.
Document the findings
NO.140 A business is using the local cable company to provide Internet access. Which of the
following types of cabling will the cable company MOST likely use from the demarcation point back to
the central office?
Multimode
Cat 5e
RG-6
Cat 6
100BASE-T
NO.141 A Fortune 500 firm is deciding On the kind or data center equipment to install given its fiveyear
budget Outlook. The Chief Information comparing equipment based on the life expectancy Of
different models.
Which Of the
following concepts BEST represents this metric?
MTBF
MTRR
RPO
RTO
NO.142 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?
2.4GHz
5GHz
850MHz
900MHZ
NO.143 Which of the following security devices would be BEST to use to provide mechanical access
control to the MDF/IDF?
A smart card
A key fob
An employee badge
A door lock
NO.144 Which of the following would be BEST to use to detect a MAC spoofing attack?
Internet Control Message Protocol
Reverse Address Resolution Protocol
Dynamic Host Configuration Protocol
Internet Message Access Protocol
NO.145 Which of the following is the primary function of the core layer of the three-tiered model?
Routing
Repeating
Bridging
Switching
NO.146 Which of the Mowing architectures reduces network latency by enforcing a limit on the
number of switching devices on the frame's path between any internal hosts?
Spine and leaf
Software-defined network
Three-tiered
Collapsed core
NO.147 A company that uses VoIP telephones is experiencing intermittent issues with one-way
audio and dropped conversations The manufacturer says the system will work if ping times are less
than 50ms. The company has recorded the following ping times:
Attenuation
Latency
VLAN mismatch
Jitter
NO.148 A false camera is installed outside a building to assist with physical security. Which of the
following is the device assisting?
Detection
Recovery
Identification
Prevention
NO.149 A network administrator is talking to different vendors about acquiring technology to
support a new project for a large company. Which of the following documents will MOST likely need
to be signed before information about the project is shared?
BYOD policy
NDA
SLA
MOU
NO.150 A network technician needs to ensure outside users are unable to telnet into any of the
servers at the datacenter. Which of the following ports should be blocked when checking firewall
configuration?
22
23
80
3389
8080
