A local company requires two networks in two new buildings. The addresses used in these networks must be in the private network range.Which two address ranges should the company use? (Choose 2.)Note: You will receive partial credit for each correct selection.
Answer(s): A,D
The private IP address ranges that are set aside specifically for use within private networks and not routable on the internet are as follows:Class A: 10.0.0.0 to 10.255.255.255Class B: 172.16.0.0 to 172.31.255.255Class C: 192.168.0.0 to 192.168.255.255These ranges are defined by the Internet Assigned Numbers Authority (IANA) and are used for local communications within a private network123.Given the options: A. 172.16.0.0 to 172.31.255.255 falls within the Class B private range. B. 192.16.0.0 to 192.16.255.255 is not a recognized private IP range. C. 11.0.0.0 to 11.255.255.255 is not a recognized private IP range. D. 192.168.0.0 to 192.168.255.255 falls within the Class C private range.Therefore, the correct selections that the company should use for their private networks are A and D.
Reserved IP addresses on WikipediaPrivate IP Addresses in Networking - GeeksforGeeksUnderstanding Private IP Ranges, Uses, Benefits, and Warnings
A Cisco PoE switch is shown in the following image. Which type of port will provide both data connectivity and power to an IP phone?
Answer(s): C
In the provided image of the Cisco PoE switch, the ports identified with number 6 are the standard RJ-45 Ethernet ports typically found on switches that provide both data connectivity and Power over Ethernet (PoE). PoE ports are designed to supply power to devices such as IP phones, wireless access points, and other PoE-enabled devices directly through the Ethernet cable.Ports:· 2: Console port (for management and configuration)· 3 and 4: Specific function ports (often for management)· 6: RJ-45 Ethernet ports (capable of providing PoE)· 7: SFP ports (for fiber connections, typically do not provide PoE)Thus, the correct answer is C. Ports identified with number 6.
· Cisco Catalyst 2960-L Series Switches Data Sheet· Cisco PoE Overview
During the data encapsulation process, which OSI layer adds a header that contains MAC addressing information and a trailer used for error checking?
During the data encapsulation process, the Data Link layer of the OSI model is responsible for adding a header that contains MAC addressing information and a trailer used for error checking. The header typically includes the source and destination MAC addresses, while the trailer contains a Frame Check Sequence (FCS) which is used for error detection1.The Data Link layer ensures that messages are delivered to the proper device on a LAN using hardware addresses and translates messages from the Network layer into bits for the Physical layer to transmit. It also controls how data is placed onto the medium and is received from the medium through the physical hardware.
The OSI Model The 7 Layers of Networking Explained in Plain EnglishOSI Model - Network DirectionWhich layer adds both header and trailer to the data?What is OSI Model | 7 Layers Explained - GeeksforGeeks
What is the purpose of assigning an IP address to the management VLAN interface on a Layer 2 switch?
Answer(s): D
The primary purpose of assigning an IP address to the management VLAN interface on a Layer 2 switch is to facilitate remote management of the switch. By configuring an IP address on the management VLAN, network administrators can access the switch's Command Line Interface (CLI) remotely using protocols such as Telnet or Secure Shell (SSH). This allows for convenient configuration changes, monitoring, and troubleshooting without needing physical access to the switch1.
· Understanding the Management VLAN· Cisco - VLAN Configuration Guide· Remote Management of SwitchesAssigning an IP address to the management VLAN interface (often the VLAN 1 interface by default) on a Layer 2 switch allows network administrators to remotely manage the switch using protocols such as Telnet or SSH. This IP address does not affect the switch's ability to route traffic between VLANs but provides a means to access and configure the switch through its Command Line Interface (CLI).· A: The switch does not act as a default gateway; this is typically a function of a Layer 3 device like a router.· B: The switch does not resolve URLs; this is typically a function of DNS servers.· C: The switch can relay DHCP requests but does not typically provide DHCP services itself; this is usually done by a dedicated DHCP server or router.Thus, the correct answer is D. To enable access to the CLI on the switch through Telnet or SSH.· Cisco VLAN Management Overview· Cisco Catalyst Switch Management
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