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Questions and Answers

What is the maximum number of devices that can be connected to a single Ethernet switch port?

  • 1000 (correct)
  • unlimited
  • 10
  • 100

What is the maximum length of a single Ethernet cable?

  • 1000 meters
  • 100 meters (correct)
  • unlimited
  • 500 meters

What is the purpose of a subnet mask?

  • To identify the network portion of an IP address (correct)
  • To identify the default gateway of a network
  • To identify the host portion of an IP address
  • To identify the DNS server of a network

What is the maximum number of hops allowed in a standard IP packet before it is considered lost?

<p>20 (C)</p> Signup and view all the answers

What is the default port number for HTTP traffic?

<p>80 (D)</p> Signup and view all the answers

What is the maximum transmission unit (MTU) of an Ethernet frame?

<p>1500 bytes (B)</p> Signup and view all the answers

What is the purpose of a VLAN?

<p>To segment a network into multiple virtual networks (D)</p> Signup and view all the answers

What is the maximum range of a Bluetooth device?

<p>10 meters (D)</p> Signup and view all the answers

What is the purpose of a DNS server?

<p>To translate domain names into IP addresses (B)</p> Signup and view all the answers

What is the maximum data rate of a USB 2.0 connection?

<p>480 Mbps (C)</p> Signup and view all the answers

What is the CIDR notation for the subnet mask 255.255.255.252?

<p>/30 (A)</p> Signup and view all the answers

What is the maximum number of IP addresses that can be assigned to hosts on a /25 subnet?

<p>510 (B)</p> Signup and view all the answers

What is the hexadecimal representation of the binary number 1101011010101101?

<p>D5AD (D)</p> Signup and view all the answers

What is the decimal equivalent of the binary number 11111111.11111111.11111111.00000000?

<p>255.255.255.0 (B)</p> Signup and view all the answers

What is the broadcast address for the IP address 192.168.1.100/28?

<p>192.168.1.159 (A)</p> Signup and view all the answers

What is the decimal equivalent of the hexadecimal number AC?

<p>172 (D)</p> Signup and view all the answers

What is the binary representation of the decimal number 255?

<p>11111111 (A)</p> Signup and view all the answers

What is the network address for the IP address 172.16.32.100/20?

<p>172.16.16.0 (A)</p> Signup and view all the answers

What is the wildcard mask for the subnet mask 255.255.248.0?

<p>0.0.31.255 (C)</p> Signup and view all the answers

What is the first usable IP address for the IP address 10.10.10.0/24?

<p>10.10.10.1 (B)</p> Signup and view all the answers

What is the maximum number of hosts that can be addressed on a single subnet with a /27 subnet mask?

<p>62 (A)</p> Signup and view all the answers

Which of the following is a valid IPv6 address?

<p>2001:0db8::1428:57ab (D)</p> Signup and view all the answers

What is the decimal equivalent of the binary number 11010101?

<p>213 (A)</p> Signup and view all the answers

What is the maximum number of TCP connections that can be made to a single IP address and port combination?

<p>64K (D)</p> Signup and view all the answers

What is the difference between a hub and a switch?

<p>A hub sends data to all connected devices, while a switch sends data only to the intended recipient (C)</p> Signup and view all the answers

What is the difference between a static IP address and a dynamic IP address?

<p>A static IP address is permanent, while a dynamic IP address can change over time (A)</p> Signup and view all the answers

What is the purpose of a subnet?

<p>To divide a large network into smaller, more manageable segments (A)</p> Signup and view all the answers

What is the difference between TCP and UDP?

<p>TCP provides reliable, ordered delivery of data, while UDP does not guarantee delivery or order (D)</p> Signup and view all the answers

What is the difference between a router and a firewall?

<p>A router is used to connect two or more networks together, while a firewall is used to block unwanted traffic (C)</p> Signup and view all the answers

What is the purpose of NAT (Network Address Translation)?

<p>To allow multiple devices to share a single public IP address (D)</p> Signup and view all the answers

What is the maximum number of subnets that can be created from a Class C IP address block using a /27 subnet mask?

<p>64 (B)</p> Signup and view all the answers

What is the maximum number of hosts that can be accommodated in a single subnet with a /21 subnet mask?

<p>8190 (D)</p> Signup and view all the answers

What is the maximum data rate that can be achieved by a single channel of a 802.11ac wireless network?

<p>867 Mbps (B)</p> Signup and view all the answers

What is the maximum length of a single fiber optic cable in a 10GBASE-LR Ethernet network?

<p>100 km (A)</p> Signup and view all the answers

What is the maximum number of devices that can be connected to a USB 3.0 hub?

<p>7 (A)</p> Signup and view all the answers

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