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When connectionless protocols are implemented at the lower layers of the OSI model, what is usually used to acknowledge that the data was received and to request the retransmission of missing data?
An upper-layer, connection-oriented protocol or service.
Refer to the exhibit. Each media link is labeled. What type of cable should be used to connect the different devices?
Connection 1 - Straight-through cable
Connection 2 - Crossover cable
Connection 3 - Straight-through cable
Due to a security violation the router passwords must be changed. What information can be learned from the following configuration entries? Router(config)#line vty 0 3
The entries specify three Telnet lines for remote access.
The entries specify four Telnet lines for remote access.
Access will be permitted for Telnet using "c13c0" as the password.
Which two actions could by a router if a specific match is not made to a route in the routing table?
Neighboring routers are polled to find the best path.
The packet will be forwarded to a default route if one is present.
Refer to the exhibit. The network administrator remotely accesses the CLI of RouterB using a secure connection. Which statement is true about this connection?
Only the exchange of the Telnet username and password is encrypted.
Refer to the exhibit. What three statements are true about the IP configuration that is shown?
The network on which this computer resides can have 30 hosts.
The address that is assigned to the computer represents private addressing.
The IP address that is assigned as the default gateway is valid for this host.
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