A frame with a payload of 32 bytes is attempting to transmit over an Ethernet network. Decide what will occur.

The payload will receive extra padding with redundant data to increase the size.

The payload will fail to transmit based on minimum size.

The payload will transmit due to being under the maximum size.

The payload will experience a reduction in size due to being over the maximum size.

A small business owner has a home office that consists of two computers and two printers. The network uses one router for connectivity. Which type of network does this scenario illustrate?

Campus Local Area Network (CAN)

Analyze the process of subnetting. Determine why an administrator may find subnetting beneficial for a network. (Select two)

To divide a network into logically distinct zones for security

A network has a large number of hosts on the same Internet Protocol (IP) network

A network uses the same physical and data link technologies throughout

An organization has one Local Area Network (LAN) without a Wide Area Network (WAN)

A system administrator enters ipconfig /all into a command prompt. What will be a result of this action?

The command will allow the administrator to confirm if the Dynamic Host Configuration Protocol (DHCP) is enabled.

The command will force a Dynamic Host Configuration Protocol (DHCP) to renew the lease.

The command will release the Internet Protocol (IP) address obtained by the Dynamic Host Configuration Protocol (DHCP).

The command will register the host with a Domain Name System (DNS) server.

Differentiate between the characteristics of Internet Protocol version 4 (IPv4) and Internet Protocol version 6 (IPv6). (Select two)

Internet Protocol version 6 (IPv6) uses hexadecimal numbering while Internet Protocol version 4 (IPv4) uses decimal numbering.

Internet Protocol version 6 (IPv6) is a 128-bit addressing scheme while Internet Protocol version 4 (IPv4) is a 32-bit addressing scheme.

Internet Protocol version 6 (IPv6) and Internet Protocol version 4 (IPv4) both only use values 0-9.

Internet Protocol version 6 (IPv6) uses an Options field in the header while Internet Protocol version 4 (IPv4) uses extension headers.

A host has an address of 169.254.101.201. What can an administrator infer from this address?

The host did not receive a response to a DHCPDISCOVER broadcast.

The network mask is 255.255.255.0.

The host is configured with a static Internet Protocol (IP) address.

The address is leased and the host must release the Internet Protocol (IP) after a specific period of time.

A network administrator needs to update a routing table in Windows. The destination Internet Protocol (IP) is 192.168.6.0. The subnet mask for the destination IP is 255.255.0.0. The router's IP is 192.168.7.1 and the cost of the route is 4. Develop the command that will add this route to the table.

route add 192.168.6.0 mask 255.255.0.0 192.168.7.1 metric 4

route add 192.168.7.1 mask 255.255.0.0 192.168.6.0 metric 4

route add 192.168.6.0 192.168.7.1 mask 255.255.0.0 cost 4

route add 192.168.6.0 mask 255.255.0.0 192.168.7.1 cost 4

A user operating Host A opens a web browser and goes to www.mywebsite.com. A Transmission Control Protocol (TCP) connection is established. Simulate the third step that occurs to complete the connection.

Host A responds with an acknowledgement segment. Host A assumes the connection is established.

Host A sends a synchronization segment to the server with a randomly generated sequence number.

The web server responds with a synchronization acknowledgement segment that contains its own randomly generated sequence number.

The web server opens a connection with Host A and enters the established state.

A network administrator is using Zenmap. The administrator enters the command nmap -sn 169.1.0.0/24. What will be the result?

Full Operating System (OS) fingerprinting

Acknowledgement packets to port 80 and 443

Identify the characteristics of a Fully Qualified Domain Name (FQDN). (Select two)

Each label cannot exceed 63 characters.

A trailing period represents the root.

The total length cannot exceed 256 characters.

Characters in the labels are case sensitive.

Identify the protocol that provides the File/Print Sharing Service on a Windows network.

HyperText Transfer Protocol (HTTP)

Internet Message Access Protocol (IMAP)

A company utilizes a cloud service to provide servers, load balancers, and storage area network (SAN) devices. What cloud service type are these technologies examples of?

Infrastructure as a Service (IaaS)

A network manager is configuring a management and monitoring system for a network. Recommend guidelines that the administrator can utilize for the configuration. (Select two)

Identify metrics to use for monitoring network health and performance.

Record baseline measurements for selected metrics.

Configure the server to provide information to the monitoring system.

Install the monitoring system on each host on the network.

A network manager becomes aware of network degradation. The manager uses the Computing Technology Industry Association (CompTIA) Network+ troubleshooting methodology. Analyze this methodology and determine the third troubleshooting step the manager will employ.

Test the theory to determine cause.

Establish a theory of probable cause.

Implement the solution or escalate, as necessary.

A network technician discovers that a port with mismatched speed settings is the cause of an outage. Evaluate the types of issues that can occur in a network and determine what type of issue the scenario represents. (Select two).

Dynamic Host Configuration Protocol (DHCP)

An attacker replaces the Internet Protocol (IP) address of www.companybank.com. Employee A goes to www.companybank.com to complete a transaction. The employee attempts to login to the website, and the attacker obtains the login credentials. What type of attack is Employee A a victim of?

Domain Name System (DNS) poisoning

Address Resolution Protocol (ARP) poisoning

Man-in-the-Middle (MitM) attack

Which of the following provides an accurate depiction of network segmentation? (Select two)

Access controls enforce network segmentation.

Segmentation can mitigate attacks by restricting it to a smaller group of hosts.

A switch is required to communicate outside of a Virtual Local Area Network (VLAN).

The networks are physically and logically separate.

A network manager is configuring a firewall. Prepare guidelines for the network manager to follow. (Select two)

Only allow the minimum amount of traffic required.

The most specific rules are placed at the top.

The final default rule in a firewall is implicit allow.

The rules are processed from bottom to top.

On a production network, which is the MOST likely location of a honeypot?

In a protected but untrusted area between the Internet and the private network

In an unprotected and untrusted area outside of the private network

In a protected and trusted area between the Internet and the private network

In an unprotected but trusted area outside of the private network

A technician is troubleshooting a report of an outage. The technician checks the switch port and notices a solid amber light. What information does the technician gain from the light color?

The link is connected, but there is no traffic.

The link is not working or is disconnected at the other end.

Identify the characteristics of a rogue Access Point (AP). (Select two)

A rogue Access Point (AP) can be malicious or accidental.

A rogue Access Point (AP) can be an evil twin.

A rogue Access Point (AP) is used to perform a deauthentication attack.

A rogue Access Point (AP) is used for geofencing.

A network manager implements geofencing to block anyone using a wireless device outside of the site perimeter. What are possible issues the network manager will face? (Select two)

Global Positioning System (GPS) is not reliable when used indoors.

Many devices would need to be excluded from the policy.

Most devices support Global Positioning Systems (GPS)-based location services.

New software would need to be installed on devices for the policy to take place.

Consider the zones of a Public Switched Telephone Network (PSTN). Which of the following describes basic connectivity to a local exchange?

A link is created between a home and a Central Office (CO).

A cable is run from a Private Branch Exchange (PBX) directly to a local loop.

A link is created between a Central Office (CO) to a toll office.

A router is placed in a home to provide wireless service.

A company contacts their Internet provider and asks for options to upgrade the bandwidth. The company requests a minimum of 80 Megabits per second (Mbps). The Internet provider notes the range required for the upgrade is 250 feet. What is the best solution for the company?

Very High Bitrate Digital Subscriber Line 2(VDSL2)

Symmetrical Digital Subscriber Line (SDSL)

Asymmetrical Digital Subscriber Line (ADSL)

Very High Bitrate Digital Subscriber Line (VDSL)

Evaluate Virtual Private Network (VPN) protocols and determine what function the Generic Routing Encapsulation (GRE) protocol performs.

Provides tunneling and supports a wide range of features that includes the ability to establish multipoint links.

Provides identification of the destination address to support tunneling directly between two spokes.

Provides authentication and key exchange for the Internet Protocol Security (IPSec) protocol suite.

Provides confidentiality by encrypting data packets and integrity by signing each packet.

A system administrator is responsible for 25 servers at a remote location. The administrator learns of a server outage; it does not have any network connectivity. The administrator uses remote access to troubleshoot the server and to review the logs. Analyze remote management methods and determine which of the following the system administrator used.

Virtual Network Computing (VNC)

Trivial File Transfer Protocol (TFTP)

What is the principal means of obtaining secure remote access to a Linux server?

Virtual Network Computing (VNC)

Network+ Exam Practice

Authored by Ed Cabrera

Professional Development

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Network+ Final Exam 1. Summarize the role of Layer 6 in the Open System Interconnection (OSI) model.

Provides an interface for software programs on network hosts that have established a communications channel.

Administers the process of establishing the dialog, managing data transfer, and then ending the session.

Moves data around an internetwork using logical network and host IDs.

Transforms data between the format required for the network and the format required for the application.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Compare the Open System Interconnection (OSI) model and the Transmission Control Protocol/Internet Protocol (TCP/IP) protocol stack and determine which statements accurately distinguish between the two. (Select two).

The TCP/IP protocol stack consists of 5 layers compared to the 7 layers found in the OSI model.

The Application layer of TCP/IP consolidates Layers 5-7 of the OSI model.

PPP, PPTP, and L2TP occur at the Link layer of the TCP/IP protocol stack and occur at Layer 2 of the OSI model.

TCP and UDP occur at the Internet layer of the TCP/IP protocol stack.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A packet is being sent from Network 1 to Network 4. The shortest route is for the packet to use the path 1234. A router fails at Network 3 and the packet uses an alternate path of 1254. This scenario depicts the application of which of the following technology?

Circuit-switched path

Packet switching

Circuit

Fragmentation

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A technician has been tasked to determine the baud rate of a connection. Evaluate transmission medium characteristics and determine what the technician will be calculating.

The amount of information that can be transmitted per second

The number of symbols that can be transmitted per second

The combination of signaling speed and encoding method

The loss of signal strength between two measurements

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Evaluate the characteristics of a Media Access Control (MAC) address to determine which of the following are valid MAC addresses. (Select two)

00:82:3f:7b:2d:ab

00:82:3f:7h:2d:ag

0082.3f7b.2dab

00823f7h2dag

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two nodes are communicating over a fiber optic cable connection. Evaluate the types of transmission media and determine which of the following use two nodes to conduct their communication.

Digital Signaling

Line Coding

Unbounded media

Bounded media

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Evaluate the characteristics of the preamble of the Ethernet frame format, and determine which statement is an accurate reflection.

The preamble is used for clock synchronization and consists of 8 bytes of alternating 1s and 0s.

The preamble is a part of the Carrier Sense Multiple Access/Collision Avoidance (CSMA/CA) protocol and is the first step in the Ethernet frame format.

The preamble is used for clock synchronization and consists of 8 bytes with two consecutive 0s at the end.

The preamble is a part of the Carrier Sense Multiple Access/Collision Detection (CSMA/CD) protocol and is the first step in the Ethernet frame format.

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Network+ Exam Practice

Network+ Final Exam 1. Summarize the role of Layer 6 in the Open System Interconnection (OSI) model.

Compare the Open System Interconnection (OSI) model and the Transmission Control Protocol/Internet Protocol (TCP/IP) protocol stack and determine which statements accurately distinguish between the two. (Select two).

A packet is being sent from Network 1 to Network 4. The shortest route is for the packet to use the path 1234. A router fails at Network 3 and the packet uses an alternate path of 1254. This scenario depicts the application of which of the following technology?

A technician has been tasked to determine the baud rate of a connection. Evaluate transmission medium characteristics and determine what the technician will be calculating.

Evaluate the characteristics of a Media Access Control (MAC) address to determine which of the following are valid MAC addresses. (Select two)

Two nodes are communicating over a fiber optic cable connection. Evaluate the types of transmission media and determine which of the following use two nodes to conduct their communication.

Evaluate the characteristics of the preamble of the Ethernet frame format, and determine which statement is an accurate reflection.

A frame with a payload of 32 bytes is attempting to transmit over an Ethernet network. Decide what will occur.

A network administrator needs to extend the distance of the network and would also like to segment the network. What should the system administrator deploy to accomplish this?

What describes the placement of nodes and how they connect with network media?

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