An administrator attempts a traceroute but receives a "Destination Unreadable" messagE.Which protocol is responsible for that message?()A.RARPB.RUDPC.ICMPD.SNMP

第1题：

What can be specified in IP VACLs?（）

• A、Protocol and IP source only
• B、IP Source, IP Destination and ports
• C、IP Source Only
• D、IP Destination Only

第2题：

When considering the default behavior of Junos platforms, which statement is true about archiving configurations?（）

• A、A system log message is generated, confirming the transfer attempt.
• B、The destination filename format can be altered by configuration.
• C、The frequency the system archives the configuration cannot be changed.
• D、An archive log is created to track transfer attempts, both failed and successful.

第3题：

A network administrator receives an error message while tring to configure the Ethernet interface of arouter with IP address 10.24.24.24/29.which statement explains the reason for this issue？（）

• A、The address is a broadcast address
• B、The Ehernet interface is faulty
• C、VLSM-capable routing protocols must be enable first on the router.
• D、This address is a network address.

第4题：

An administrator attempts a traceroute but receives a "Destination Unreadable" message. Which protocol is responsible for that message?（）

• A、RARP
• B、RUDP
• C、ICMP
• D、SNMP

第5题：

While configuring a new adapter using cfgmgr, an administrator receives a warning message indicating that some device packages are not installed. Additionally, the adapter displays in the Defined state. Which command will resolve the issue and make the adapter available?（）

• A、shutdown -Fr
• B、cfgmgr -i <lpp_source>
• C、mkdev -l <device_name>
• D、mknode /dev/<device_name>

第6题：

While configuring a new adapter using cfgmgr， an administrator receives a warning message indicating that some device packages are not installed.  Additionally， the adapter displays in the Defined state.  Which command will resolve the issue and make the adapter available？（）  

• A、shutdown -Fr
• B、cfgmgr -i 
• C、mkdev -l 
• D、mknode /dev/

第7题：

When considering the default behavior of Junos plattforms, which statement is true about archiving configurations?（）

• A、A system log message is generated, confirmed the transfer attempt
• B、The destination filename format can be altered by configuration
• C、The frequency the system archives the configuration cannot be changed
• D、An archive log is created to track transfer attempts both failed and successfull

第8题：

You deploy a Microsoft Exchange mobile messaging solution that uses Microsoft Windows Mobile 5.0 with Microsoft Messaging and Security Feature Pack.   The messaging infrastructure is configured to support the remote wipe feature.   When an administrator attempts to perform a remote wipe of a Windows Mobilebased device， the administrator receives a 401 error message.   You need to ensure that the administrator is authorized to perform remote wipes only.   What should you do？（）

• A、Grant the administrator membership in the Domain Administrators group.
• B、Grant the administrator membership in the Exchange Administrators group.
• C、Add the new administrator account to the Discretionary Access Control List （DACL） of the Microsoft Exchange ActiveSync Administration folder.
• D、Select the Directory Security tab of the Exchange Server administration Web site， and then configure Read， Write， and Directory Browsing permissions.

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第13题：

Which three statements about the features of SNMPv2 and SNMPv3 are true?（）

• A、SNMPv3 enhanced SNMPv2 security features
• B、SNMPv3 added the Inform protocol message to SNMP
• C、SNMPv2 added the Inform protocol message to SNMP
• D、SNMPv3 added the GetBulk protocol messages to SNMP
• E、SNMPv2 added the GetBulk protocol message to SNMP
• F、SNMPv2 added the GetNext protocol message to SNMP

第14题：

Which two statements regarding traceroute on JUNOS devices are correct?（）

• A、Traceroute transmits ICMP echo-request packets.
• B、Traceroute transmits UDP packets.
• C、Traceroute receives ICMP echo-reply packets.
• D、Traceroute receives ICMP port-unreachable packets.

第15题：

Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true?（）

• A、The DHCP Discover message uses FF-FF-FF-FF-FF as the Layer 2 destination address.
• B、The DHCP Discover message uses UDP as the transport layer protocol.
• C、The DHCP Discover message uses a special Layer 2 multicast address as the destination address.
• D、The DHCP Discover message uses TCP as the transport layer protocol.
• E、The DHCP Discover message does not use a Layer 2 destination address.
• F、The DHCP Discover message does not require a transport layer protocol.

第16题：

What does a Layer 2 switch do if it receives a frame with a destination MAC address that is not found in its MAC address table?（）

• A、The frame is dropped.
• B、The frame is addressed with a broadcast MAC address and sent out all ports.
• C、The frame is sent out all ports except the receiving port.
• D、An ARP request is sent out all ports except the receiving port.
• E、A destination unreachable message is sent back to the source address.
• F、None of the above.

第17题：

Which command records the path taken by network packets between a source and destination system? （）

• A、 traceroute 
• B、 netstat -p 
• C、 ping 
• D、 netstat -rn

第18题：

Which device is responsible for assigning label values in an MPLS network?（）

• A、upstream node
• B、originating node
• C、destination node
• D、downstream node

第19题：

Your company has an Active Directory domain. A user attempts to log on to the domain from a client computer and receives the following message： "This user account has expired Ask your administrator to reactivate the account." You need to ensure that the user is able to log on to the domain. What should you do（）

• A、Modify the properties of the user account to set the account to never expire.
• B、Modify the properties of the user account to extend the Logon Hours setting.
• C、Modify the properties of the user account to set the password to never expire.
• D、Modify the default domain policy to decrease the account lockout duration.

第20题：

You are a network administrator for your company. The network consists of a single Active Directory domain. The domain contains three Windows Server 2003 domain controllers， 20 Windows Server 2003 member servers， and 750 Windows XP Professional computers. The domain is configured to use only Kerberos authentication for all server connections.A user reports that she receives an "Access denied" error message when she attempts to connect to one of the member servers. You want to test the functionality of Kerberos authentication on the user’s client computer.  Which command should you run from the command prompt on the user’s computer？（）

• A、netsh
• B、netdiag
• C、ktpass
• D、ksetup

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