100-490 無料問題集「Cisco Supporting Cisco Routing and Switching Network Devices」

（A）2001:0DB8::1:1:1:1:1

（B）2001:0DB8::/128

（C）2001:0DB8:0::

（D）2001:0DB8:130F:0000:0000:7000:0000:140B

（A）It provides signal conversion.

（B）It acts as a concentration point for dial-in and dial-out connections.

（C）It operates at Layer 2 of the OSI model.

（D）It provides channel testing.

（E）It regenerates the signal to compensate for signal degradation from line transmission.

（A）Telnet is preferred over SSH for security reasons.

（B）A Telnet network management connection is dropped when a router reboots.

（C）Telnet is a protocol that provides a secure remote access connection to network devices.

（D）SSH uses the well-known TCP port 23 for its communication.

（E）SSH is a protocol that provides a secure remote access connection to network devices.

（A）pins 2 and 7

（B）pins 2 and 8

（C）pins 1 and 7

（D）pins 2 and 5

（E）pins 1 and 4

（A）switch-to-hub

（B）router-to-router

（C）switch-to-server

（D）switch-to-switch

（E）switch-to-router

（A）show running-config

（B）show flash

（C）show config-register

（D）show version

（A）DRAM

（B）flash

（C）ROM

（D）NVRAM

（A）16 kbps

（B）32 kbps

（C）128 kbps

（D）64 kbps