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PSU Network+ Exam Review Flashcards | StudBud
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PSU Network+ Exam Review
PSU Network+ Exam Review
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1
What is the purpose of a default gateway?
Creates a WAN network
Forwards packets destined for addresses outside the local network
Translates URL addresses to IP addresses
Creates a loopback connection
2
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Tracert
Nslookup
Traceroute
Ping
3
What is the purpose of CNAME?
It is used as an alias for a host name.
It is used to route outgoing emails to an email server.
It provides information for external sources.
It stores encryption certificates.
4
Your boss asks you to look for weaknesses in a bank’s defense system. Which would you use to test the system?
Host
PyCharm
Virtual machine
Wireshark
5
What is a DHCP reservation?
A reservation that blocks access to a specific IP address
A reservation that blocks access to a specific MAC address
A specific IP address reserved for a specific MAC address
A specific MAC address reserved for a specific IP address
6
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Two-factor authentication
CAPTCHA
Verification check
Authentication proofing
7
What is the purpose of a subnet mask?
To reduce network traffic
To define a range of IP addresses available within a network
To maintain a directory of domain names and translate them to IP addresses
To increase network security
8
A coworker said attacks dont necessarily require technology to be executed. Which type of attack could she be referring?
Social engineering
Brute-force
Phishing
DDoS
9
MIB is a database used to reference information from various agents about the network. Which protocol uses MIB database?
HTTP
SNMP
PPP
POP3
10
During penetration testing, a red team used 802.1q spoofing and managed to access VLAN networks. Name of the attack?
VLAN hopping
ARP spoofing
Lateral movement
VLAN spoofing
11
In which layer does IP addressing operate?
Application
Session
Transport
Network
12
You identified a network problem and prepared an action to fix it. What should you do before you implement the solution?
Close the ticket.
Report the issue.
Nothing, just fix it.
Consider potential network impact.
13
Which of the following can be caused by a duplex mismatch?
Overheating
IP collision
Extremely slow data transfer
No connection can be established.
14
To protect an intranet, where would you install a firewall?
Anywhere on the network
Between the router and the private network
Between the network and the storage server
Between the ISP and the router
15
While researching the WPA2 protocol, you found it encrypts data. Which protocol does WPA2 use for encryption?
CVPM
CPCM
CCMP
CMVP
16
If you are connecting to a new network with internet access, which is critical to establish an internet connection?
All of the above
IP address
Subnet mask
Default gateway
17
If you simultaneously provide HD videos over your home network to two tablets, a laptop, and a smart TV, what is used?
Internal HDD
Network-attached storage
RAID
External HDD
18
A broadband router is used to connect multiple computers over a LAN network. Which of the features below is included?
Antivirus
EPP
Encryption device
DHCP server
19
How are issue tickets prioritized in the first phase of troubleshooting?
FIFO
Severity
Ticket length
LIFO
20
Which of the following can be used to hash files?
MD5
Base64
SHA1
Answers A and B
21
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Amplified DoS
Multiplied DoS
Reflective DoS
Distributed DoS
22
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STP
Native VLAN configured for dot1q tagging
Trunk access
SIEM environment
23
Your company developed a new network-hardening policy. Which of the following is likely to be included?
Upgrading switches to L3
Disabling RDP in the organization
Disabling DTP
Changing passwords to include a pet name and a birthday
24
While investigating an ethernet frame you were asked to list all the identified addresses. Which of these are included?
2a02:ed0:5f26:c100:a0f6:471b:daf0:7dfc
127.0.0.1
00-FF-60-A9-08-CE
AA-BB-CC-GG-TT
25
You were asked to upgrade the server’s RAID hard disk array. Which specification should be checked first?
Mirroring
MTBF
MTTR
AUP
26
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Misconfigured DNS
Firewall blockage
Unresponsive website
Unresponsive workstation
27
When does signal attenuation occur?
When a signal is sent incorrectly
When a signal travels a long distance
When there is a data transfer load
When a cable is damaged
28
You are browsing to a website that uses HTTPS. What is the destination port of the request packet?
81
80
443
70
29
While performing a penetration test, you came across a suspiciously vulnerable station. What is the station most likely?
A honeypot
A DMZ
A firewall
An old computer
30
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The DHCP rejected the workstation.
The workstation uses static IP address configuration.
There are no more IP addresses in the current scope.
There is a rogue DHCP server on the network.
31
Connect the fiber-optic cables of both company branches, which are at opposite ends of the city. Which could John use?
Hub
Media forwarder
Media converter
Longer cable
32
Which of the following cloud types enables administrators to migrate services between public and private resources?
Public cloud
All clouds use the same hardware resources.
Private cloud
Hybrid cloud
33
A device that would enable workers to manage access points in the company from a central location. What is this?
Wireless controller
Wireless endpoint
Wireless server
Wireless hub
34
In a switched network, what is needed to facilitate communication between two computers? (Two Right Answers)
A different subnet mask
The same subnet mask
A different IP address
The same IP address
35
In a group that includes more than five million devices and networks, class the network with a subnet mask. What class?
Class A
Class B
Class E
Class C
36
During troubleshooting, you identify a router that seems to act abnormally. What should you do to check your suspicion?
Replace the router with a different one.
Remove the router from the network.
Change the router’s configuration.
Try to duplicate the behavior on a different network device.
37
If your switch administratively deactivates a port every time you plug the server into it, which of these is the cause?
The file permissions are misconfigured.
Port security configuration
Windows firewall is misconfigured.
The DHCP isn’t working.
38
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When establishing a plan of action
When testing a theory
When implementing the solution
When identifying the problem
39
Which type of VLAN should a VoIP phone be placed on when connected to a network?
It should be placed only on the default VLAN.
VoIP phones cannot communicate on VLANs.
It should be placed on a separate VLAN called Voice VLAN.
It should be placed on the same VLAN used bythe computers.
40
At your workplace, a complaint was made about access to uncensored sites. Which of these tools can block sites?
Allow list only the sites employees need
Content filtering
Deny list all sites you know of
None of the above
41
Which of the following tools can best prevent intrusion from outside the network to inside a network?
IDS
Packet Filtering
IPS
Packet Capturing
42
A company wants to interconnect two LAN networks to form a larger MAN network. Which device can be used to do this?
Router
Switch
Hub
Bus
43
When Michael sends a file to his friend, to where will the packets be forwarded to exit the local network?
HTTP server
HTTPS server
Default gateway
DHCP server
44
Malware was planted in a machine and waited for a specific occurrence in the machine to execute. What malware was it?
Worm
Logic bomb
Phishing
Virus
45
Oscar wants to connect his friend to a website designed by John. To do so, what does John need to host his website on?
An HTTP server
A DHCP server
A DNS server
A proxy site
46
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SSH
HTTPS
Load balancer
VPN concentrator
47
Which protocol should your home router support to communicate with more than one external data source?
SSH
SIP
PPPoE
RDP
48
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LocationChecker
NordVPN
GeoFencing
Geologin
49
Which of the following is the best way to determine if any changes were made to the network?
Replace each network device with an older version.
Check if any hardware or software was recently installed or reconfigured.
Install a sniffer.
Ask employees.
50
You were asked to find a common and discrete way into other networks. What kind of node are you most likely to use?
Gateway
Computer
Hub
Router
51
You were asked to create a server-hardening policy and to implement it. Which of the following will not be involved?
Disabling unnecessary services
Disabling unnecessary ports
Patching the latest security updates
Upgrading firmware
52
What should you do to ensure that when one back-end server fails, traffic will be routed to the other back-end server?
Implement mirroring.
Add a load balancer.
Add another server.
Add a fallback HDD.
53
FTPS and SFTP were developed to overcome which downside of the FTP protocol?
Slow upload/download rates
Size limitation
Lack of security
Anonymous authentication
54
While viewing your network traffic, you noticed the packets are SSL encrypted. At which layer does SSL function?
Physical
Application
Data-link
Network
55
Your manager asks you to explain the difference between an exploit and a vulnerability. Pick the best explanation
B
A
C
D
56
What is the best usage of a multilayer switch?
Acting as a modem
Running a DNS server
Creating multiple VLANs and forwarding packets
Load balancing
57
Which of the following terms refers to a document that describes an in-house policy for personal electronics usage?
SLA
PQD
BYOD
BYOB
58
Your company asks you to change the WAN transmission type, since there was an attenuation issue. Whats the best choice?
100Base-FX
Satellite communication
Fiber optics
100Base-TX
59
You were hired to determine the level of security implemented in a company. What is the most efficient way to do so?
Remediation
Port scanning
Penetration testing
Network mapping
60
Which layer in the OSI model uses frames?
Presentation
Data link
Application
Network
61
What happens when you use a broadcast address?
The last station in a network receives messages.
The HTTP server receives messages.
All stations in a network receive messages.
Only the router receives messages.
62
Your IT team encountered a problem they described as crosstalk interference on a network. What is the solution?
Twist the cables surrounding the wires.
None of the above
Shield the twisted wire pairs inside the cable.
Untwist the network pairs.
63
During a interview, Bill was asked which protocol does not operate in the application layer. What is the correct answer?
SMTP
DNS
FTP
TCP
64
The IT team sent a report indicating a LAN network may experience attenuation issues. What can be concluded?
The network includes different types of routers.
The network is near an electromagnetic field that interrupts communication.
Electricity in company facilities is unstable.
The network uses cables more than 100 meters long.
65
Which term defines data that is loaded to an application by a user?
Data in use
In-memory data
Data in process
Active data
66
What is the most significant change introduced by WPA2 in comparison with the older WPA protocol?
EAP
256-bit keys
AES algorithms
TKIP
67
John works in an IT department and was asked to set upa switched network and group computers by departments.Which one?
VPN
VLAN
VoIP
Proxy
68
You bought a wireless access point for your new store.What should you do to secure it?
Configure a phone number as the password.
Answers B and C
Change the default credentials.
Place it in a hidden closet.
69
What do connection-oriented and connection-less services have in common?
All of the above
Both are related to the telephone system
Both are related to the postal system.
Both are used to transmit data betweenendpoint devices.
70
Which of the following ethernet standards is limited to 25 meters?
1000Base-DX
1000Base-FX
1000Base-CX
1000Base-GX
71
What is the main purpose of configuring a DNS address?
Confirms the computer belongs to same internet section as other computers
It is a web host specification.
It is an address used to access webpages.
It points to a server that translates a URL to an IP.
72
What is the main purpose of a router?
Connect multiple networks and forward packets fromits own network or others
To regenerate analog or digital signals distorted by transmission loss
To transmit and receive data over a communication channel
To connect devices using ethernet cables
73
Set up a cloud storage server and choose the most secure option. Which one would you pick?
Private cloud
Hybrid cloud
Ad hoc cloud
Public cloud
74
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Ransomware
Denial of service
Scareware
Spear phishing
75
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A rogue DHCP is corrupting the network.
The DHCP server is down.
An attacker executed DHCP snooping.
The DNS server is down.
76
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Incorrect default gateway
Incorrect IP address
Incorrect DNS
Incorrect subnet mask
77
Which of the following is done during the problem identification phase?
Alerting the IT team
Solving the problem
Verifying system functionality
Ticket submission
78
What is the main purpose of an SSL accelerator?
To secure data
To accelerate the transfer of files to the server
To receive encrypted connections & send them back to the server unencrypted
To log in to a remote machine and execute commands
79
John set up a website with the address www.jonswebsite.com. Which should he use to check the website’s IP address?
TCP
DNS
POP
DHCP
80
What can be configured to prevent bridge loops over the network?
BPDU guard
STP
Layer 3 switches
Port security
81
During a meeting, you were asked to use a warm site facility. What exactly are they asking you to do?
Implement a storage unit.
Implement a fire safety plan.
Implement a recovery mechanism.
All of the above
82
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Ethernet
NVMe
iSCSI
Fiber channel
83
Your boss decides to implement a new password complexityrequirement. Why is this requirement considered a good practice?
It does not change anything.
It mitigates brute-force attacks.
It helps users remember their passwords.
It prevents users from using extremely weak passwords.
84
During a test, it was concluded that data transmitted over the network was leaked. What is the data described A.K.A?
Data in motion
Data in use
Data in movement
Data at rest
85
During a troubleshooting process, once the problem is identified, what should the next step be?
Submit a ticket regarding the problem.
Solve the problem.
Establish a theory for the cause.
Verify system functionalities.
86
You need to divide a range of IP addresses into smaller ranges to distribute them among all hosts in the organization.
Pool
Scope
Subnetting
Range
87
Which of the following protocols allows remote connection between two stations?
SSH
All of the above
RDP
Telnet
88
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Security type mismatch
Overcrowded wireless AP
Incorrect network adapter
Frequency mismatch
89
A coworker installed a new twisted pair network in the ceiling above fluorescent fixtures. What network issue may occur?
EMI
Jitter
Duplex mismatch
No problem will occur.
90
Which is the best option to minimize a customer’s management of technical elements, including data, server, and storage?
PaaS
On-premises
IaaS
SaaS
91
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VLAN
WAN
LAN
DMZ
92
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Blocked ports on the user’s computer
Duplicate physical addresses
Duplicate IP addresses
Incorrect routing settings
93
Your cloud provider assures you that data stored in the cloud will be available 85% of the time. What is this term?
ToS
User Agreement
SLA
MTBF
94
What is APIPA?
Random IP addresses
Generates addresses when an NIC fails to acquire a valid IP address
Specific IP addresses that allow temporary access tothe web
None of the above
95
What is the purpose of a switch?
To interconnect multiple stations in a network
All of the above
To divide stations into separate VLANs
To divide stations into separate collision domains
96
A connectivity issue on your wired network is caused by delayed packets. Which term best articulates the problem?
Instability
De-authentication
Jitter
No connectivity
97
What is the purpose of VLSM?
To separate a large network into several smaller networks
To unite several large networks into a single smaller network
To unite several small networks into a single larger network
To separate small-scale networks into several larger networks
98
You purchase a new router and configure it, it auto-assigns addresses to computers on the network. What protocol?
FTP
DNS
DHCP
RDP
99
Which of the following protocols transfers files from clients to servers and vice versa?
FTP
RDP
NTP
HTTP
100
What is the correct definition of MTRJ?
Copper cable connector
High-speed beam deflector
Fiber-optic cable connector
Solid-state beam scanner
