单选题Rewrite rules are used in which CoS scenario?（）A When a single device is configured to provide differentiated services.B When multiple devices in a network are configured to use CoS to provide differentiated services.C When a device is used to connect

第1题：

You have configured voice VLANs on Catalyst switch R1.  Which two statements are true about the  operation of voice VLANs on this device？ （）

• A、 When the voice VLAN feature is enabled， all untagged traffic is sent according to the default  CoS priority of the port.
• B、 Enabling voice VLANs enables the switch to create multiple queues for traffic that is entering a  port.
• C、 When voice VLANs are configured on a trunk link， UplinkFast must also be enabled.
• D、 Voice VLANs are configured to enable the switch to forward frames marked with the proper  CoS values over separate physical links.
• E、 Enabling voice VLANs enables the switch to forward frames with a specific 802.1P marking.

第2题：

Which two statements are true about voice VLANs？（）

• A、Voice VLANs are only used when connecting an IP phone and a host to distinct switch ports
• B、Access ports that are configured with voice VLANs will always trust the CoS that is received from IP phones
• C、Access ports that are configured with voice VLANs may or may not override the CoS value that is received from an IP phone
• D、Voice VLANs are configured using the switchport voice vlan vlan-ID interface configuration command
• E、Voice VLANs provide a trunking interface between an IP phone and an access port on a switch to allow traffic from multiple devices that are connected to the port
• F、Enabling Voice VLAN on a switch port will automatically configure the port to trust the incoming CoS markings

第3题：

While adding the forced varyon volume group option， it is decided to create a disk heartbeat  Network over the disk paths. Which HACMP function is used to create disk heartbeat devices？（）

• A、 The Disk hearbeat facility is initialized when creating enhanced concurrent mode volume groups through HACMP.
• B、 HACMP does not create the disk heartbeat area directly； RSCT facility creates the area used for the disk heartbeat when the device is started by Group Services.
• C、 The ’Chdev -v-C " command creates an enhanced Volume Group from an ordinarilyVolume Group. This creates the heartbeat region on the vfirst disk in the chain.
• D、 The disk heartbeat area on the disk is created and initialized when the device is created inHACMP "Extended Configuration -> Extended Topology -> Disk heartbeat facility" smit path.

第4题：

Which two forwarding classes have bandwidth assigned when CoS is not explicitly configured inJUNOS software?（）

• A、best effort (BE)
• B、network control (NC)
• C、assured forwarding (AF)
• D、expedited forwarding (EF)

第5题：

Which two statements are true about the primary address on an interface?（）

• A、It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interface.
• B、You use the primary address when you have multiple IP addresses belonging to the same subnet on the same interface.
• C、It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interface.
• D、By default, the primary address on an interface is selected as the numerically highest local address configured on the interface.

第6题：

Which two statements are true about the primary address on an interface? （）

• A、It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interface
• B、You use the primary address when you have multiple IP addresses belonging to the same subnet on the same inteface
• C、It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interface
• D、By default, the primary address on an interface is selected as the nmerically highest local address configured on the interface

第7题：

Which two statements are true regarding an Ethernet collision domain?（）

• A、The likelihood of collisions occurring increases when a switch is used.
• B、The likelihood of collisions occurring increases when a hub is used.
• C、If a hub is used, the collision domain is limited to each device and the hub.
• D、If a switch is used, the collision domain is limited to each device and the switch.

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第13题：

Which statement best describes the benefits of Cisco Integrated Services Routers？（）

• A、 In a single device，ISRs provide threat defense against attacks from hackers and viruses thatcan occur in the network.
• B、 In a single device，ISRs provide the framework to integrate and extend wired and wirelessnetworks.
• C、 In a single device ISRs provide concurrent security， voice， data， wireless and applicationoptimization services.
• D、 In a single device，ISRs provide the common fabric，functionality，and CLI across the network.

第14题：

Which two statements are true regarding firewall user authentication?（） (Choose two.)

• A、When configured for pass-through firewall user authentication, the user must first open a connection to the Junos security remote network resource.
• B、When configured for Web firewall user authentication only, the user must first open a connection to the Junos security remote network resource.
• C、If a Junos security device is configured for pass-through firewall user authentication, new sessions are automatically intercepted .
• D、If a Junos security device is configured for Web firewall user authentication, new sessions are automatically intercepted.

第15题：

A client has an existing p5 570 that is directly connected to a HMC. The customer will be purchasing another p5 570. Which of the following solutions would be appropriate to provide HMC connectivity to the second p5 570?（）

• A、Implement a proxy server to provide multiple sources to one destination 
• B、Purchase an additional Ethernet adapter for each p5 570 to provide connectivity between the two 
• C、Purchase a network hub or switch so both p5 570s can connect to the single HMC 
• D、Purchase an additional HMC since multiple HMC are required when more than one POWER5 Enterprise class server is used Purchase an additional HMC since multiple HMC? are required when more than one POWER5 Enterprise class server is used

第16题：

What is the first CoS process performed when a packet enters a JUNOS device?（）

• A、Rewrite Marker
• B、Multifield Classifier
• C、Policing
• D、BA Classifier

第17题：

You want to provide all users in your corporation with a single agent that provides access to multiple connection types conditionally. For example, you connect to the Junos Pulse Access Control Service if you are connected to the intranet, but you connect to the Junos Pulse Secure Access Service if you are on a remote network. Which agent should you use for this type of connection requirement?（）

• A、Junos Pulse should be configured with location awareness rules configured.
• B、Odyssey Access Client should be installed with Host Checker configured to check the client's location.
• C、Junos Pulse should be configured with all components installed.
• D、Agentless access should be enabled so that clients can connect to any service without concern for installing an agent.

第18题：

Rewrite rules are used in which CoS scenario?（）

• A、When a single device is configured to provide differentiated services.
• B、When multiple devices in a network are configured to use CoS to provide differentiated services.
• C、When a device is used to connect to another autonomous system.
• D、When CoS is used to classifiy traffic as low priority.

第19题：

In which situation would you use static database registration for a listener（）

• A、when multiple databases are to be registered with the listener
• B、when DBAs need to connect remotely to start up the database instance
• C、when users need to connect the database instance using the host naming method
• D、when the database instance that is to be registered with the listener is configured in shared server mode

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