December 14th, 2009 |
admin |
exploration final exam latest update(10th july) 1. Refer to the exhibit. A network administrator is trying to configure a router to use SDM. After this configuration shown in the exhibit is applied, the SDM interface of the router is still not accessible. What is the cause of the problem? *The username and password are not [...]
November 25th, 2009 |
admin |
1 Which of the following describes the roles of devices in a WAN? (Choose three.) *** A CSU/DSU terminates a digital local loop. A modem terminates a digital local loop. A CSU/DSU terminates an analog local loop. *** A modem terminates an analog local loop. *** A router is commonly considered a DTE device. A [...]
November 15th, 2009 |
admin |
1. Which of the following describes the roles of devices in a WAN? (Choose three.) • A CSU/DSU terminates a digital local loop. • A modem terminates a digital local loop. • A CSU/DSU terminates an analog local loop. • A modem terminates an analog local loop. • A router is commonly considered a DTE [...]
November 15th, 2009 |
admin |
1. Identify the factors that contribute to congestion on an Ethernet LAN. (Choose three.) • improper placement of enterprise level servers • addition of hosts to a physical segment • replacement of hubs with workgroup switches • increasing use of bandwidth intensive network applications • migration to full-duplex Ethernet within the LAN 2. Which of [...]
November 15th, 2009 |
admin |
1. What are two main components of data confidentiality? (Choose two.) check sum digital certificates encapsulation encryption hashing 2. While troubleshooting a problem with an e-mail server, an administrator observes that the switch port used by the server shows “up, line protocol up”. The administrator cannot ping the server. At which layer of the OSI [...]