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：

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2题：

When upgrading the IOS image, the network administrator receives the exhibited error message. What could be the cause of this error?（）

• A、The new IOS image is too large for the router flash memory.
• B、The TFTP server is unreachable from the router.
• C、The new IOS image is not correct for this router platform.
• D、The IOS image on the TFTP server is corrupt.
• E、There is not enough disk space on the TFTP server for the IOS image.

第3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4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5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6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7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8题：

In a shared server configuration， which two describe the actions that the listener can take to service a client request？（）

• A、The listener hands the connection request directly to a dispatcher. 
• B、A dedicated server inherits the connection request from the listener. 
• C、The client connects to a dedicated server directly using a protocol address provided by the listener. 
• D、The application initiating the session spawns a dedicated server process for the connection request. 
• E、The listener issues a redirect message to the client, containing the protocol address of a dispatcher. The client then terminates the network session to the listener and establishes a network session to the dispatcher, using the network address provided in the redirect message. 

第9题：

第10题：

第11题：

第12题：

第13题：

Which two are differences between IGMPv2 and IGMPv3 reports？（）

• A、IGMPv3 has the ability to include or exclude source lists.
• B、All IGMPv3 hosts send reports to destination address 224.0.0.22.
• C、Only IGMPv2 reports may contain multiple group state records.
• D、All IGMPv3 hosts send reports to destination address 224.0.0.23.
• E、IGMPv2 does not support the Leave Group message.

第14题：

An administrator needs to review the open ports on a host. Which of the following commands should they use？（）

• A、traceroute -d
• B、ping -t
• C、netstat -ano
• D、nbtstat -a

第15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16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17题：

A system administrator is attempting to unmount filesystem /dev/data and receives the following message：   umount： 0506-349 Cannot unmount /dev/data： The requested resource is busy.   Which of the following commands can be used to determine which process has open references within the filesystem？（）

• A、lsfs
• B、topas
• C、fuser
• D、mount

第18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19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20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.

第21题：

第22题：

第23题：