While using a packet analyzer， you notice four additional bytes being added to the packets in the  Company network.  Which protocol inserts a four byte tag into the Ethernet frame and recalculates  CRC value？  （）

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  A . NPIV and vSCSI both require multipathing in VIO Server only.  B . NPIV requires multipathing software on client LPARs, vSCSI requires multipathing software on VIO Server.  C . NPIV requires multipathing software on VIO Server, vSCSI requires multipathing software on client LPARs.  D . NPIV requires multipathing and MPIO software on VIO Server LPARs, vSCSI requires multipathing software on VIO Server and MPIO on client LPARs.

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• TACACS+ authentication uses whichthree packet types？ （）

  A .  ACCESS REQUEST B .  ACCESS ACCEPT C .  CONTINUE D .  CHALLENGE E .  REPLY F .  START

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• R1 forwards a packet from Host 1 to remote Server 1. Which statement describes the use of a MAC as the frame carrying this packet leaves the s0/0/0 interface of R1（）。

  A . The frame does not have MAC addresses. B . The source MAC address in the frame is the MAC address of the NIC of Host 1. C . The source MAC address in the frame is the MAC address of the s0/0/0 interface of R1. D . The destination MAC address in the frame is the MAC address of the NICof server 1. E . The destination MAC address in the frame is the MAC address of the s0/0/0 interface of R2

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• 下列程序段中，空格“?”处的结果是（　　）。 CLOSE DATAa=0USE教师 GOTOPDO WHILE．NOT．EOF()IF主讲课程=”数据结构”．OR．主讲课程=”C语育” a=a+1ENDIFSKIPENDD()? a

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• Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client while connecting to the database instance from a remote machine？（）

  A . host naming method B . local naming method C . external naming method D . directory naming method

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• While creating a scheduler window using the DBMS_SCHEDULER package， a user logged in as DBMGR gets the error message insufficient privileges.  Which two commands would you use to resolve this error？（）

  A . GRANT dba TO dbmgr; B . GRANT connect TO dbmgr; C . GRANT resource TO dbmgr; D . GRANT hs_admin_role TO dbmgr; E . GRANT manage scheduler TO dbmgr;

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• The OSPF RFC 3623 Graceful Restart feature allows you to configure IETF NSF in ultivendor networks. When using OSPF Graceful Restart，which mechanism is used tocontinue forwarding packets during a switchover？（）

  A . Reverse Path Forwarding B . Hardware-based forwarding C . UDP forwarding D . Layer 2 Forwarding

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• Which of these tables is used by an LSR to perform a forwarding lookup for a packet destined to an address within an RFC 4364 VPN？（）

  A . CEF B . FIB C . LFIB D . IGP

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• The OSPF RFC 3623 Graceful Restart feature allows you to configure IETF NSF in ultivendor networks. When using OSPF Graceful Restart， which mechanism is used tocontinue forwarding packets during a switchover？（）

  A . Reverse Path Forwarding B . Hardware-based forwarding C . UDP forwarding D . Layer 2 Forwarding

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• Which of these tables is used by an LSR to perform a forwarding lookup for a packet destined to an address within an RFC 4364 VPN？（）

  A . CEF B . FIB C . LFIB D . IGP

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• Which of the following commands is used to determine the route that the IP packets take to a network host?（）

  A .  route  B .  netstat  C .  iptrace  D .  traceroute

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• Which three pieces of information are to be mandatorily provided while creating a new listener using Enterprise Manager Database Control？（）

  A . the port used by the listener B . the protocol used by the listener C . the server name where the listener runs D . the log file and trace file destination for the listener E . the database services to be registered with the listener

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• Using more than one label on a single packet is required in what context？（）

  A . MPLS TE B . MPLS VPN C . When CEF switching and Label switching is done D . In all the above circumstance

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• While using the WebSphere Commerce Accelerator to manage a Hosting hub， which of the following tasks could a Channel Manager perform？（）

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• While creating a scheduler window using the DBMS_SCHEDULER package， a user logged in as DBMGR gets the error message insufficient privileges？ Which two commands would you use to resolve this error？（）

  A .  GRANT dba TO dbmgr； B .  GRANT connect TO dbmgr； C .  GRANT resource TO dbmgr； D .  GRANT hs_admin_role TO dmbgr； E .  GRANT manage scheduler TO dbmgr；

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• Which of these tools should you use to compress VoIP packets on a low-speed Frame Replay circuit?（）

  A . Cisco Proprietary payload compression B . Predictor payload compression C . RTP header compression D . TCP header compressio

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• While monitoring a system using vmstat， which of the following options most likely indicates that the system is CPU bound？（）

  A .  r is greater than 40 B .  id is greater than 50 C .  sum of id and wa equals 50 D .  sum of us and sy equals 100

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• What is a static packet-filtering firewall used for ？（）

  A . It validates the fact that a packet is either a connection request or a data packet belonging to a connection B . It evaluates network packets for valid data at the application layer before allowing connections C . It analyzes network traffic at the network and transport protocol layers D . It keeps track of the actual communication process through the use of a state table

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• Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client  while connecting to the database instance from a remote machine（）

  A . host naming method B . local naming method C . external naming method D . directory naming method

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• Which statement describes the WLCv5.2 delivery of a multicast packet from a wired PC source on VLAN_X to a respective wireless client using SSID_X, using a WLAN controller enabled for multicast?（）

  A . A packet is delivered to Cisco WLC and forwarded via multicast to all of its associated APs, and finally to all wireless clients of that Cisco WLC, via wireless multicast. B . A packet is delivered to Cisco WLC and forwarded via unicast to all of its associated APs, and finally to all wireless clients of that Cisco WLC, via wireless unicast. C . A packet is delivered to Cisco WLC and forwarded via multicast to all of its associated APs, discarded at APs without SSID_X joined wireless clients, and forwarded at APs with SSID_X joinedwireless clients via wireless multicast. D . A packet is delivered to Cisco WLC and forwarded via unicast to all of its associated APs, discarded at APs without SSID_X joined wireless clients, and forwarded at APs with SSID_X joined wireless clients via wireless multicast. E . A packet is delivered to Cisco WLC and forwarded via multicast to all of its associated APs, discarded at APs without SSID_X joined wireless clients, and forwarded at APs with SSID_X joinedwireless clients via wireless unicast. F . A packet is delivered to Cisco WLC and forwarded via unicast to all of its associated APs, discarded at APs without SSID_X joined wireless clients, and forwarded at APs with SSID_X joined wireless clients via wireless unicast.

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• While creating a database using Database Configuration Assistant tool， you created a database default temporary tablespace. Which activity would cause the default temporary tablespace of the database to be used？（）

  A . the CREATE TABLE .. command B . sorting of the SYSTEM tablespace’s data C . sorting of data required by recursive SQL statements D . the CREATE TABLE .. ORGANIZATION EXTERNAL .. command E . sorting of data if the users have not been allocated temporary tablespace explicitly F . sorting of data if the users have been allocated temporary tablespace explicitly

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• 29. According to the text, mariners must pay attention to ________ while using a chart.

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• 下列程序段中，空格“？”处的结果是（）。 CLOSE DATA a=0 USE教师 GOTOP DO WHILE．NOT．EOF IF主讲课程=”数据结构”．OR．主讲课程=”C语育” a=a+1 ENDIF SKIP ENDD ？ a

  A.4 B.5 C.6 D.7

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• When using recorded delivery to send a packet, which of the following statements is INCORRECT？

  A．The packet is signed for by the addressee and a record is kept by the post office. B．You can get confirmation of delivery by filling the Advice of Delivery Form. C．The addressee of the recipient will sign the Advice of Delivery Form. D．The post office delivers recorded delivery to the address shown.

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