ccna
Which two OSI model layers have the same functionality as a single layer of the TCP/IP model?
Data link and physical
At which OSI layer is a source IP address added to a PDU during the encapsulation process?
Network layer
At which OSI layer is data added to a PDU during the encapsulation process
application
At which OSI layer is data added to a PDU during the encapsulation process?
application layer
At which OSI layer is a destination MAC address added to a PDU during the encapsulation process?
data link layer
At which OSI layer is a source MAC address added to a PDU during the encapsulation process?
data link layer
Which command or key combination allows a user to return to the previous level in the command hierarchy
exit
What term describes a network owned by one organization that provides safe and secure access to individuals who work for a different organization?
extranet
What layer is responsible for routing messages through an internetwork in the TCP/IP model
internet
What term describes a private collection of LANs and WANs that belongs to an organization?
intranet
At which OSI layer is a destination IP address added to a PDU during the encapsulation process?
network layer
At which OSI layer is a source IP address added to a PDU during the encapsulation process?
network layer
At which layer of the OSI model would a logical address be added during encapsulation?
network layer
When IPv4 addressing is manually configured on a web server, which property of the IPv4 configuration identifies the network and host portion for an IPv4 address?
subnet mask
At which OSI layer is a source port number added to a PDU during the encapsulation process?
transport
At which OSI layer is a destination port number added to a PDU during the encapsulation process?
transport layer
At which OSI layer is a source port number added to a PDU during the encapsulation process?
transport layer
Which two host names follow the guidelines for naming conventions on Cisco IOS devices?
· RM-3-Switch-2A4 · SwBranch799
What are two characteristics of RAM on a Cisco device?
· The configuration that is actively running on the device is stored in RAM. · The contents of RAM are lost during a power cycle.
