Communication Technologies: NFC, Bluetooth, and More

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What is the range of ephemeral port numbers?

Ports 1 through 1000

Ports 0 through 1023

Ports 1024 through 65535 (correct)

Ports 5000 through 6000

Which protocol is used for file transfer between systems?

SSH

Telnet

SMTP

FTP (correct)

What is the purpose of the DNS protocol?

To authenticate remote access

To transfer emails between servers

To assign IP addresses dynamically

To convert names to IP addresses (correct)

Which port number is commonly used for web servers?

tcp/80 (C) Signup and view all the answers

What is the purpose of the DHCP protocol?

To automate IP address configuration (A) Signup and view all the answers

Which protocol is used for secure shell communication?

SSH (C) Signup and view all the answers

What is the primary function of a USB to DB-9 converter cable?

To convert a USB signal to a DB-9 signal (D) Signup and view all the answers

What is the main purpose of Near Field Communication (NFC)?

To send small amounts of data wirelessly over a limited area (A) Signup and view all the answers

What is the primary function of a Bluetooth connection?

To connect to a Personal Area Network (PAN) for high-speed communication (A) Signup and view all the answers

What is the main purpose of a hotspot?

To extend the cellular data network to multiple devices (B) Signup and view all the answers

What is the primary function of a touch pen?

To enable precise selection on a touchscreen (D) Signup and view all the answers

What is the primary function of an active stylus?

To enable digital writing with pressure sensitivity (B) Signup and view all the answers

What is the primary purpose of RAID?

To provide redundancy and protect data (C) Signup and view all the answers

What is the main disadvantage of RAID 0?

It has low redundancy (C) Signup and view all the answers

What is the benefit of RAID 5 over RAID 0?

It provides high redundancy (B) Signup and view all the answers

What is the main advantage of RAID 10?

It offers the best performance and redundancy (C) Signup and view all the answers

What is the primary factor to consider when choosing a motherboard?

The specific scenario and requirements (A) Signup and view all the answers

What is the main challenge of memorizing motherboard form factors?

The dimensions are difficult to remember (B) Signup and view all the answers

What is the name of the motherboard form factor developed by VIA Technologies in 2001?

ITX (A) Signup and view all the answers

What is the main difference between PCI and PCI Express?

PCI is a parallel bus while PCI Express is a serial bus (A) Signup and view all the answers

What is the purpose of a computer bus?

To provide a communication path between components (D) Signup and view all the answers

What is the name of the standardized motherboard form factor introduced by Intel in 1995?

ATX (D) Signup and view all the answers

What is the main advantage of PCI Express over PCI?

PCI Express is faster than PCI (B) Signup and view all the answers

What is the purpose of expansion slots on a motherboard?

To provide additional capabilities to the computer (C) Signup and view all the answers

What is the ANSI standard commonly referenced for pin and pair assignments of eight-conductor 100-ohm balanced twisted pair cabling?

ANSI/TIA-568 (A) Signup and view all the answers

What is the maximum cable length for USB 3.0?

No specific length specified (C) Signup and view all the answers

What is the maximum bandwidth of USB 3.2 Gen 2x2?

20 Gbps (C) Signup and view all the answers

What is the main advantage of Thunderbolt v3 over previous versions?

Increased bandwidth (D) Signup and view all the answers

What is the primary use of a D-subminiature connector?

RS-232 serial communication (B) Signup and view all the answers

What is the maximum cable length for a SATA Revision 3.0 device?

1 meter (C) Signup and view all the answers

What is the primary advantage of SCSI over other interfaces?

Intelligent interface functionality (A) Signup and view all the answers

What is the purpose of a punchdown block?

To patch wires into a block (D) Signup and view all the answers

What is the main difference between a straight tip and a subscriber connector?

One can be broken apart for separate runs, while the other cannot (C) Signup and view all the answers

What is the primary use of a Molex connector?

To provide power to devices (D) Signup and view all the answers