Loop guard and UniDirectional Link Detection both protect against Layer 2 STP loops. In which two ways does loop guard differ from UDLD in loop detection and prevention?()
You have been asked to configure your router to send link-related SNMP trap notifications to the network managemetn system (NMS) located at address 172.16.17.1.Which two commands are required?()
Click the Exhibit button. In the exhibit, if the link we are measuring is 1.5 Mbps, what is the effective WAN bandwidth?()
An administrator attempts to create a link of /etc/db_conf to the target directory /db/v9.7/install/config. The following command failed toAn administrator attempts to create a link of /etc/db_conf to the target directory /db/v9.7/install/config. The following command failed to create the link: ln /db/v9.7/install/config /etc/db_conf Which option should be used when re-running the command to resolve the problem?()
When verifying the OSPF link state database, which type of LSAs should you expect to see within the different OS PF area types?()
第三类LSA的Link ID是()
In order to link data centers, a customer is evaluating the installation of fiber optic cable between buildings that are 400 meters apart. The installation will require multiple patch panels and cables. Which of the following is the most critical factor to consider for this installation?()
An OSPF link can be in multiple states at any given moment (ie. Exstart, exchange, full). Whichtwo IOS commands let you view the state of the link?()
Your company has three offices. Each office has a direct link to the Internet. The offices connect to each other by using a WAN link. Your network consists of an Active Directory forest that contains two domains and one site. The functional level of the forest is Windows Server 2003. All domain controllers run Windows Server 2003 R2. Each office contains two domain controllers for eachdomain. All domain controllers are global catalog servers. In each office, you plan to deploy Mailbox, Client Access, and Hub Transport Exchange Server 2010servers. All e-mail messages sent to the Internet will be delivered from a local server in each office. You need to recommend changes to the Active Directory environment to support the planned deploymentof Exchange Server 2010. What should you recommend?()
When a new trunk link is configured on an IOS based switch, which VLANs are allowed over the link?()