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networker

QuestionAnswer
Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame? switch
What statement describes a characteristic of MAC addresses? They must be globally unique.
Which two characteristics describe Ethernet technology? (Choose two.) It is supported by IEEE 802.3 standards. It uses the CSMA/CD access control method.
Which function or operation is performed by the LLC sublayer? It communicates with upper protocol layers.
Which statement is true about MAC addresses? The first three bytes are used by the vendor assigned OUI.
Which field in an IPv6 packet is used by the router to determine if a packet has expired and should be dropped? Hop Limit
What information is added during encapsulation at OSI Layer 3? source and destination IP address
A computer has to send a packet to a destination host in the same LAN. How will the packet be sent? The packet will be sent directly to the destination host.
Which field in an IPv4 packet header will typically stay the same during its transmission? Destination Address
When a router receives a packet, what information must be examined in order for the packet to be forwarded to a remote destination? destination IP address
Which destination address is used in an ARP request frame? 255.255.255.255
What type of information is contained in an ARP table? IP address to MAC address mappings
Which two ICMPv6 messages are used during the Ethernet MAC address resolution process? (Choose two.) neighbor solicitation neighbor advertisement
Which router component holds the routing table, ARP cache, and running configuration file? RAM
What is one function of the ARP protocol? resolving an IPv4 address to a MAC address
Which CLI mode allows users to access all device commands, such as those used for configuration, management, and troubleshooting? privileged EXEC mode
Company policy requires using the most secure method to safeguard access . The privileged exec password is trustknow1. Which of the following router commands achieves the goal of providing the highest level of security? enable secret trustknow1
A router boots and enters setup mode. What is the reason for this? The configuration file is missing from NVRAM.
What is stored in the NVRAM of a Cisco router? the startup configuration
What is the purpose of the banner motd command? It provides a way to make announcements to those who log in to a router.
What is auto-MDIX? a feature that detects Ethernet cable type
What are the two sizes (minimum and maximum) of an Ethernet frame? (Choose two.) 64 bytes 1518 bytes
Which two functions or operations are performed by the MAC sublayer? (Choose two.) It is responsible for Media Access Control. It adds a header and trailer to form an OSI Layer 2 PDU.
Which information is used by routers to forward a data packet toward its destination? destination IP address
Which characteristic describes an IPv6 enhancement over IPv4? The IPv6 header is simpler than the IPv4 header is, which improves packet handling.
When a router receives a packet, what information must be examined in order for the packet to be forwarded to a remote destination? destination IP address
Which field in an IPv4 packet header will typically stay the same during its transmission? Destination Address
A router receives a packet from the Gigabit 0/0 interface and determines that the packet needs to be forwarded out the Gigabit 0/1 interface. What will the router do next? create a new Layer 2 Ethernet frame to be sent to the destination
What is a function of ARP? resolving IPv4 addresses to MAC addresses
When an IP packet is sent to a host on a remote network, what information is provided by ARP? the MAC address of the router interface closest to the sending host
A cybersecurity analyst believes an attacker is spoofing the MAC address of the default gateway to perform a man-in-the-middle attack. Which command should the analyst use to view the MAC address a host is using to reach the default gateway? arp -a
A technician is configuring a router to allow for all forms of management access. As part of each different type of access, the technician is trying to type the command login. Which configuration mode should be entered to do this task? any line configuration mode
Which command is used to encrypt all passwords in a router configuration file? Router_A (config) # service password-encryption
Which characteristic describes the default gateway of a host computer? the logical address of the router interface on the same network as the host computer
Created by: user-1882451
 

 



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