WorksheetsNET+ Quiz Part 36
Total questions: 100
Worksheet time: 50mins
What does PKI use to securely exchange data?
A) A single cryptographic key
B) A public and private cryptographic key pair
C) A symmetric key
D) A shared password
What is the purpose of a plenum in a building?
A) To store data
B) To run network cables and HVAC systems
C) To provide power to devices
D) To house servers
What does the term "plug and play" refer to?
A) A gaming console feature
B) An architecture for automatic hardware detection and driver loading
C) A type of network cable
D) A method of data encryption
What does PoE (Power over Ethernet) enable?
A) Wireless data transmission
B) Electrical power transmission over twisted-pair Ethernet cable
C) High-speed internet access
D) Secure data encryption
What is the main difference between PoE and PoE+?
A) PoE+ provides more power than PoE
B) PoE+ is wireless, while PoE is wired
C) PoE+ is used for data encryption, while PoE is not
D) PoE+ is a type of network protocol, while PoE is not
What does the term "policies and procedures" refer to in an organization?
A) The hardware used in the network
B) The documented rules and methods for task performance
C) The software applications used
D) The physical layout of the office
What is the function of polling in data transmission?
A) To encrypt data
B) To contact each node to determine if it has data to send
C) To store data
D) To provide power to devices
What is the default port number for unsecured POP3?
A) 80
B) 110
C) 995
D) 443
What is port mirroring used for?
A) Data encryption
B) Troubleshooting network issues
C) Increasing network speed
D) Providing power to devices
What does PPP (Point-to-Point Protocol) provide?
A) Wireless data transmission
B) Host-to-network and switch-to-switch connections
C) Data encryption
D) Electrical power transmission
What is the purpose of PPTP (Point-to-Point Tunneling Protocol)?
A) To provide wireless internet access
B) To encapsulate private network data in IP packets
C) To increase network speed
D) To provide electrical power over Ethernet
Which layer of the OSI model prepares information to be used by the application layer?
Presentation layer
Network layer
Data link layer
Physical layer
What is the rate of a Primary Rate Interface (PRI) used with ISDN?
1.544 Mbps
64 Kbps
128 Kbps
2.048 Mbps
What does a proxy server typically provide?
Increased level of security, caching, NAT, and administrative control
Direct communication between hosts
Higher bandwidth
Lower latency
What is a PSK (preshared key) used for?
Encrypting messages to be securely sent
Decrypting messages
Authenticating users
Managing network traffic
What does PSTN stand for?
Public Switched Telephone Network
Private Switched Telephone Network
Public Secure Telephone Network
Private Secure Telephone Network
What is the primary function of a protocol analyzer?
To analyze network protocols such as TCP, UDP, HTTP, FTP, and more
To encrypt data
To manage network traffic
To provide administrative control
What is a PTP (Point-to-Point) protocol used for?
Establishing a direct connection between two nodes
Encrypting data
Managing network traffic
Providing administrative control
What is a PTR (pointer) record used for in DNS?
To map an IP address to a hostname
To map a hostname to an IP address
To encrypt DNS queries
To manage DNS traffic
What is a punchdown block used for?
To connect network cables from equipment closets or rooms to other parts of a building.
To connect twisted-pair wires to wiring equipment such as a patch panel.
To replace a hardwired dedicated end-to-end line.
To manage and increase the flow of network traffic.
What does PVC (permanent virtual circuit) replace in a Frame Relay network?
A punchdown block.
A hardwired dedicated end-to-end line.
A twisted-pair wire.
A remote node.
What does QoS (quality of service) enable administrators to do?
Connect network cables from equipment closets to other parts of a building.
Predict bandwidth use, monitor that use, and control it.
Authenticate remote network users.
Store data on multiple drives.
What is QSFP (Quad Small Form-factor Pluggable) used for?
Data communications.
Advertising the presence of routers.
Authenticating remote network users.
Managing the flow of network traffic.
What is the purpose of RADIUS (Remote Authentication Dial-In User Service)?
To authenticate remote network users.
To store data on multiple drives.
To resolve MAC addresses to IP addresses.
To enable access to the network through remote connections.
What does RAID (Redundant Array of Inexpensive/Independent Disks) offer?
Authentication for remote network users.
Fault-tolerance or performance advantages.
Resolution of MAC addresses to IP addresses.
Connection of twisted-pair wires to wiring equipment.
What does RARP (Reverse Address Resolution Protocol) resolve?
IP addresses to MAC addresses.
MAC addresses to IP addresses.
Bandwidth use.
Data communications.
What is the function of RDP (Remote Desktop Protocol)?
To support a Remote Desktop Connection between an RDP client and a server.
To authenticate remote network users.
To manage and increase the flow of network traffic.
To advertise the presence of routers.
What is a remote node?
A node or computer connected to a network through a remote connection.
A compact, hot-pluggable transceiver used for data communications.
A security standard that employs a client/server model.
A Windows service that enables access to the network through remote connections.
What is the primary function of a repeater in a network?
To resolve a name to an IP address
To regenerate and retransmit signals
To transfer data from backup media
To measure the power present in a received radio signal
What does the term "resolver" refer to in networking?
A device that regenerates signals
A system that requests the resolution of a name to an IP address
A rate of oscillation used by radio waves
A document that solicits proposals
What is the function of the Routing Information Protocol (RIP)?
To control the flow of data between two or more network segments
To use hop count as a routing metric
To measure the power present in a received radio signal
To prevent loops on Ethernet networks
What is an RJ-45 connector used for?
Telephone systems with up to six conductors
Twisted-pair cable supporting eight conductors
Coaxial cable used in Ethernet networks
Wireless communication
What does RSA stand for in the context of cryptography?
Radio Signal Algorithm
Routing Signal Algorithm
Request for Secure Access
Rivest-Shamir-Adleman
What is the purpose of the RSTP (Rapid Spanning Tree Protocol)?
To control the direction and flow of packets
To prevent loops on Ethernet networks
To measure the power present in a received radio signal
To request the resolution of a name to an IP address
What is the acceptable duration of time within which a business process must be restored after a disaster to avoid unacceptable consequences associated with a break in business continuity?
RTO (recovery time objective)
RTP (Real-Time Transport Protocol)
RTSP (Real-Time Streaming Protocol)
RTT (round-trip time or real transfer time)
Which protocol is the Internet standard for the transport of real-time data, including audio and video?
RTO (recovery time objective)
RTP (Real-Time Transport Protocol)
RTSP (Real-Time Streaming Protocol)
RTT (round-trip time or real transfer time)
What does RTSP stand for?
Real-Time Transport Protocol
Real-Time Streaming Protocol
Real-Time Transfer Protocol
Real-Time Security Protocol
What is a measurement of the length of time it takes for data to be sent and returned?
RTO (recovery time objective)
RTP (Real-Time Transport Protocol)
RTSP (Real-Time Streaming Protocol)
RTT (round-trip time or real transfer time)
What is a packet too small for an Ethernet network called?
runt
sag
SAN
SC
What is the establishment of shared security attributes between two entities on a network to support secure communications between them called?
SA (security association)
SAE (Simultaneous Authentication of Equals)
SaaS (Software as a Service)
SCADA (supervisory control and data acquisition)
Which password-based authentication method used with WPA3 results in a more secure initial key exchange in personal mode than was possible with WPA2 and PSK?
SA (security association)
SAE (Simultaneous Authentication of Equals)
SaaS (Software as a Service)
SCADA (supervisory control and data acquisition)
What is a cloud computing service model in which a user runs everything supplied by the provider called?
SA (security association)
SAE (Simultaneous Authentication of Equals)
SaaS (Software as a Service)
SCADA (supervisory control and data acquisition)
What is a momentary drop in the voltage provided by a power source called?
runt
sag
SAN
SC
What does SAN stand for?
Storage-Area Network
Secure Access Network
Software-Defined Network
Supervisory Control and Data Acquisition
What type of connector is used with fiber cabling?
SC (standard connector)
SDLC (Software Development Life Cycle)
SCP (Secure Copy Protocol)
SDP (Session Description Protocol)
What does SCADA stand for?
Secure Copy Protocol
Software Development Life Cycle
Supervisory Control and Data Acquisition
Session Description Protocol
Which protocol uses Secure Shell (SSH) technology to provide security to the transfer?
SCP (Secure Copy Protocol)
SDLC (Software Development Life Cycle)
SCADA (supervisory control and data acquisition)
SDP (Session Description Protocol)
What is an area for placing web and other servers that serve the general public outside the firewall, thereby isolating them from internal network access called?
screened subnet
SC (standard connector)
SDLC (Software Development Life Cycle)
SDN (software-defined network)
What does SDLC stand for?
Software Development Life Cycle
Secure Copy Protocol
Supervisory Control and Data Acquisition
Session Description Protocol
What is an approach to networking that allows network administrators to programmatically manage network behavior dynamically via open interfaces and provide abstraction of lower-level functionality called?
SDN (software-defined network)
SC (standard connector)
SDLC (Software Development Life Cycle)
SCP (Secure Copy Protocol)
What does SDP stand for?
Session Description Protocol
Software Development Life Cycle
Secure Copy Protocol
Supervisory Control and Data Acquisition
What is a DSL implementation that offers the same speeds for both upstream and downstream data called?
SDSL (symmetrical digital subscriber line)
SDN (software-defined network)
SC (standard connector)
SDLC (Software Development Life Cycle)
What does SDWAN stand for?
Software-Defined Wide Area Network
Secure Data Wide Area Network
Simple Data Wide Area Network
Secure Digital Wide Area Network
What is a secondary name server?
A DNS server that gets its zone data from another DNS name server
A primary DNS server
A server that provides backup for data
A server that manages email services
What is the purpose of a security log?
To provide information on audit events
To store user data
To manage network traffic
To encrypt data
What is a segment in networking terms?
A physical section of a network
A type of server
A software application
A security protocol
What is a server?
A network node that fulfills service requests for clients
A type of software
A security protocol
A physical section of a network
What is a service pack?
A software update that fixes multiple known problems
A type of server
A physical section of a network
A security protocol
What is the session layer in the OSI model?
Layer 5
Layer 3
Layer 7
Layer 2
What does SFTP stand for?
Secure File Transfer Protocol
Simple File Transfer Protocol
Secure Fast Transfer Protocol
Simple Fast Transfer Protocol
What is the purpose of the Secure Hash Algorithm (SHA)?
A cryptographic hash algorithm used in security
A type of server
A software update
A physical section of a network
What does SIEM stand for?
Security Information and Event Management
Secure Internet Event Management
Simple Information Event Management
Secure Information Event Management
What is the primary purpose of SIP (Session Initiation Protocol)?
To provide shared access to files, printers, and ports
To establish and maintain multimedia sessions such as Internet telephony calls
To coordinate time among devices across the network
To map a private IP address directly to a static unchanging public IP address
Which protocol is used to coordinate time among devices across the network?
SNMP
SNAT
SNTP
SMTP
What does SLAAC (Stateless Address Auto Configuration) allow devices to do?
Connect to the Internet without requiring any intermediate IP support from a DHCP server
Establish and maintain multimedia sessions
Provide shared access to files, printers, and ports
Send an alarm to notify the administrator of network activity
Which protocol is primarily used for providing shared access to files, printers, and ports?
SIP
SMB
SNMP
SNAT
What type of fiber uses a single direct beam of light for greater distances and increased transfer speeds?
MMF
SMF
SNMP
SOHO
What is the function of SNMP (Simple Network Management Protocol)?
To provide shared access to files, printers, and ports
To establish and maintain multimedia sessions
To monitor and control network devices, manage configurations, and report network management information
To coordinate time among devices across the network
What does SNAT (Static NAT) do?
Maps a private IP address directly to a static unchanging public IP address
Provides network devices with a method to monitor and control network devices
Coordinates time among devices across the network
Establishes and maintains multimedia sessions
What is the primary use of SMTP (Simple Mail Transfer Protocol)?
To provide shared access to files, printers, and ports
To transfer email messages and attachments
To establish and maintain multimedia sessions
To map a private IP address directly to a static unchanging public IP address
What does SOA (Start of Authority) contain?
Data on DNS zones and other DNS records
Methods to monitor and control network devices
Information for establishing multimedia sessions
Time coordination among devices across the network
What is the typical size of a SOHO (small office/home office) network?
1 to 5 users
1 to 10 users
10 to 20 users
20 to 50 users
What is the international equivalent of SONET (Synchronous Optical Network)?
Synchronous Digital Hierarchy (SDH)
Structured Query Language (SQL)
Secure Shell (SSH)
Service Set Identifier (SSID)
What does SOP stand for in the context of business operations?
Standard Operating Procedure
Service Operating Protocol
Secure Online Protocol
Standard Online Procedure
What is the purpose of a source-route bridge?
To send a packet to the destination node through the route specified by the sending node
To store data persistently using integrated circuits
To identify computers that host specific services
To provide additional authentication methods and encryption for data
What does SPI stand for in the context of network security?
Stateful Packet Inspection
Secure Packet Interface
Standard Packet Inspection
Secure Protocol Interface
What is the function of an SSD (solid-state drive)?
To store data persistently using integrated circuits
To monitor the power line and switch to battery power
To identify computers that host specific services
To provide additional authentication methods and encryption for data
Which protocol uses TCP/IP port 22 and provides additional authentication methods and encryption for data?
SSH (Secure Shell)
SSL (Secure Sockets Layer)
SQL (Structured Query Language)
SRV (Service Record)
What is the purpose of an SSID (service set identifier) in a WLAN?
Acts as a simple password used for authentication between a wireless client and an access point
Monitors the power line and switches to battery power
Identifies computers that host specific services
Provides additional authentication methods and encryption for data
What does SSL (Secure Sockets Layer) do?
Securely transmits information to and receives information from a remote website
Monitors the power line and switches to battery power
Identifies computers that host specific services
Provides additional authentication methods and encryption for data
What is the method of access in which users are given access to all the applications and systems they need when they initially log on?
STA (Spanning Tree Algorithm)
STP (Spanning Tree Protocol)
SSO (single sign-on)
ST (straight tip or snap twist)
Which type of connector is used with cabling?
ST (straight tip or snap twist)
STA (Spanning Tree Algorithm)
STP (shielded twisted-pair)
SSO (single sign-on)
What is the purpose of the Spanning Tree Algorithm (STA)?
To provide single sign-on access
To eliminate loops in an internetwork with multiple paths
To assign static IP addresses
To create subdomains
What is a static IP address?
An IP address assigned dynamically via DHCP
An IP address manually assigned to a network device
An IP address used for subdomains
An IP address used for subnetting
What is the function of static routing?
To dynamically exchange route information
To manually enter all routes into a device
To prevent the sender from overwhelming the receiver
To create subdomains
What is the purpose of a static window in flow control?
To dynamically assign IP addresses
To prevent the sender from overwhelming the receiver
To eliminate loops in an internetwork
To create subdomains
What is an ST connector?
A type of fiber connector
A type of network switch
A type of IP address
A type of routing method
What is the store-and-forward method?
A method to dynamically assign IP addresses
A fast-packet-switching method that produces higher latency
A method to eliminate loops in an internetwork
A method to create subdomains
What is the purpose of the Spanning Tree Protocol (STP)?
To eliminate loops in an internetwork
To assign static IP addresses
To create subdomains
To dynamically exchange route information
What is a subdomain?
A logical division of a network
A privately controlled segment of the DNS namespace
A 32-bit address used to mask a portion of an IP address
A process of aggregating IP network addresses
What is a subnet?
A logical division of a network
A method to dynamically assign IP addresses
A method to eliminate loops in an internetwork
A type of fiber connector
What is a subnet mask?
A method to dynamically assign IP addresses
A 32-bit address used to mask a portion of an IP address
A method to eliminate loops in an internetwork
A type of fiber connector
What is subnetting?
The process of aggregating IP network addresses
The process of using parts of the node portion of an assigned IP address to create more network IDs
A method to dynamically assign IP addresses
A method to eliminate loops in an internetwork
What is supernetting?
The process of aggregating IP network addresses
The process of using parts of the node portion of an assigned IP address to create more network IDs
A method to dynamically assign IP addresses
A method to eliminate loops in an internetwork
What is a surge in the context of networking?
A sudden drop in voltage
A voltage increase that is less dramatic than a spike but can last much longer
A device that protects against voltage spikes
A type of network protocol
What is the purpose of a surge protector?
To increase the voltage in a network
To protect a network component from spikes and surges
To establish a virtual circuit
To forward frames based on destination addresses
What does SVC stand for in networking?
Switched Virtual Circuit
System Virtual Circuit
Synchronous Virtual Circuit
Secure Virtual Circuit
What is the function of a switch in networking?
To initiate a TCP session
To forward frames based on destination addresses
To send log messages to a server
To provide centralized validation of users
What does SYN stand for in the context of TCP?
Synchronous
Synchronization
System
Secure
What is synchronous transmission?
A method that uses a precise clocking method and a predefined number of bits sent at a constant rate
A method that dynamically establishes a virtual circuit
A method that sends log messages to a server
A method that increases voltage in a network
