CompTIA A+ (220 -1101)

 1. A device has completed the first step in the DHCP assignment process. Which of the following would be the second step of this process?

Acknowledge

Discover

Renew

Offer -

Request

Introspect

The four steps of the DHCP assignment process are Discover, Offer,Request, and Acknowledge (DORA).

2. Which of the folowing configuration setting is responsible for convertion between an FQDN and an IP address?

Subnet mask

Default gateway

DHCP

DNS server -

Load balancer

A very large printed binder

Converting from an FQDN (Fully-Qualified Domain Name) to an IP address is managed by the DNS (Domain Name System) server. 

3. A network administrator is installing a network to manage industrial manufacturing equipment. Which of the following would BEST describe this network?

Proxies

UTM

Legacy

Syslog

SCADA -

There are a lot of buttons

A SCADA (Supervisory Control and Data Acquisition System) network supports industrial control systems, manufacturing equipment, and similar large-scale systems.

4. A network engineer is upgrading an 802.11g network to a newer standard. Which frequency range is used by the existing devices?

54 Mbps

2.4 GHz -

600 Mbps

10 GHz

5 GHz

My name isn't Kenneth

The 802.11g standard uses the 2.4 GHz frequency range.

5. Which software defined networking technology is most associated with the control and configuration of the system?

Management plane -

data Link layer

RFID

DHCP lease

WLAN

I forget my password

The Management Plane is responsible for the configuration and management of the system or device.

6. A recent troubleshooting process has indicated the issue may be related to the ONT. Which of the following would BEST describe the location of the ONT?

Desktop motherboard

Data center -

Above the ceiling in the center of the room

Next to a laser printer

In a mobile phone or tablet

I'm going to need a map

An ONT (Optical Network Terminal) is the demarcation point (dmarc) between the service provider and the customer network. A dmarc is commonly located in a central data center or communications room.

7. A user has configured the email client on their new mobile phone. Which of the following ports is MOST likely used?

A. udp/162

B. tcp/389

C. tcp/143 -

D. tcp/23

E. tcp/139

F. I've never even been to Lisbon

TCP port 143 is commonly associated with IMAP4, or Internet Message Access Protocol version 4.

8. An iPadOS user would like to upgrade their tablet to a newer model, and they want to be sure all of their emails and apps are moved to the new device. Which of the following would be the BEST way to provide this functionality?

A. Connect both devices with a Lightning cable

B. Use the Files app to synchronize the devices

C. Backup and restore to iCloud -

D. Use Bluetooth as a file transfer network

E. Connect both devices to the same wireless network

F. Write down everything in a three-ring binder

iCloud provides a centralized cloud-based service for backing up all information on one iOS or IPadOS device and restoring that information to another device.

9. Which of the following steps is necessary to complete the Bluetooth pairing process between two devices?

A. Enable Airplane mode on both devices

B. Connect both devices to the same Wi-Fi network

C. Enable a VPN connection before pairing

D. Connect both devices to a power source

E. Set both devices to discoverable mode - 

F. Try to find the other earpod 

Discoverable mode allows the devices to saerch for and connect with each other.

10. Which of the following statements about LTE technology is true?

A. LTE provides data throughput up to 150 megabits per second -

B. LTE technology is a 5G standads

C. LTE is only compatible with CDMA networks

D. LTE can only be used on hotspots

E. LTE is also knows as CDMA

F. This call isn't going through

LTE technology increased the throughput up to 150 megabits per second on the best possible mobile connection. This was a significant improvement compered to the maximum speeds provide by the previous 3G networks.

11. A user is connecting their iPhone to a wired headset. Which of the following would they be MOST likely to use?

A. USB-C

B. Bluetooth

C. Micro-USB

D. Lightning -

E. 802.11

F. I have to untangle this first

An iPhone can use the built-in Lightining interface for connectivity for power, data, headsets, and other accessories.

12. Which of the following would provide network connectivity over the lomgest distance without any type of repeater?

802.11

Category 6A

5G

Single-model fiber -

Coaxial

A large megaphone

Single-mode fiber can be used to transmit signals over multiple kilometers without any type of signal regeneration.

13. A technician has asked for a cable with a DB-9 connector. Which of the following would be the MOST likely use of this cable?

Printer network link

DSL termination

IPsec VPN tunnel

Windows secirity patches

Serial console connection -

Made you look

DB-9 serial connections are commonly associated with console or management interfaces on switches, routers, and other infrastructure devices.

14. Which colors are swapped between T568A and T568B wire maps?

Green and Orange -

Orange and Blue

Blue and Brown

Green and Brown

Green and Blue

Random doesn't seem to work

T568A and T568B swap the green and orange colors between the two standards.

15. A technician is installing a SO-DIMM memory module. What type of system is MOSt likely assocoated with this installation?

Database server

Firewall

Active Directory server

Video editing desktop

Windows 11 laptop -

I can't find my screwdriver

The smaller form-factor of a SO-DIMM (Small Outline Dual In-line Memory Module) is commonly associated with laptops and mobile devices.

16. A technician is looking for a Lightning cable. Which of the following is the MOST likely use of this cable?

Use external video from a laptop

Connect to a switch

Power a desktop computer

Transfer a file from a mobile phone -

Boot froman external drive

Lightning connectors are commonly used to connect and charge mobile devices from Apple.

17. A network technician is connecting a server to a switch with a fiber optic link. Which of the following connector types would be used for this link?

LC -

BNC

RJ45

SATA

Lightning

I could use a light

An LC (Local Connector or Lucent Connector) is a fiber optic connector type.

18. A user has configured NFC on their mobile device. Which of the following would be MOST commonly associated with this configuration?

Internet tethering

External storage

Authentication factor - 

Video steaming

Wireless printing

NFC (Near-field Communication) is short-distance networking method commonly associated with payment systems or as an authentication factor.

19.