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What are three Cisco Unified CallManager features？ （）
A . programming interface to external applications
B . FXS and FXO port negotiation
C . AutoQos VoIP trust boundaries
D . signaling and device control
E . LLQ for voice and video traffic
F . directory and XML service
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What are three benefits of implementing vlans?（）
A . A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure
B . Broadcast storms can be mitigated by decreasing the number of broadcast domains,thus increasing their size.
C . A higher level of network security can be reached by separating sensitive data traffic from other network traffic.
D . Port-based vlans increase switch-port use efficient,thanks to 802.1Q trunks
E . A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure.
F . Broadcast storms can be mitigated by increasing the number of broadcast domains,thus reducing their size.
G . VLANs make it easier for IT staff to configure new logical groups,because the vlans all belong to the same broadcast domain.
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What methods of point-in-time recovery are available？（）
A . Change-based
B . Cancel-based
C . Time-based
D . Sequence number-based
E . Transaction number-based
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Which three are valid methods to monitor and trend SAN port channels with DCNM？（）
A . use summary view in the device manager
B . from the DCNM-SAN client， view ISLs in real time from the Performance drop-down list
C . for each port channel， select Monitor Continually
D . configure traps for each port channel to utilize RMON
E . set up flows with the DCNM-SAN client and use the Performance Manager web client for performance collectio
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Which three of the following network features are methods used to achieve high availability？（）
A . Spanning Tree Protocol （STP）
B . Delay reduction
C . Hot Standby Routing Protocol （HSRP）
D . Dynamic routing protocols
E . Quality of Service （QoS）
F . Jitter management
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Shaker, circulation and spray are the three general methods used in（）
A . pre-injection fuel oil treatment
B . lube oil filtration
C . lube oil purification
D . piston cooling
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What are three IPv6 transition mechanisms？（）
A . 6to4 tunneling
B . VPN tunneling
C . GRE tunneling
D . ISATAP tunneling
E . PPP tunneling
F . Teredo tunneling
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The three major causes for errors are: mother tongue interference,（）,and inappropriate teaching materials or methods.
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What methods are available to recover lost control files？（）
A . Backup control file.
B . Emergency control file.
C . The create controlfile command.
D . The restore controlfile SQL*Plus command.
E . No backup is required. The database will re-create the control file when it is discovered to be lost.
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What are three benefits of GLBP?（）
A . GLBP supports up to eight virtual forwarders per GLBP group
B . GLBP supports clear text and MD5 password authentication between GLBP group members
C . GLBP is an open source standardized protocol that can be used with multiple vendors
D . GLBP supports up to 1024 virtual routers
E . GLBP can load share traffic across a maximum of four routers
F . GLBP elects two AVGs and two standby AVGs for redundancy
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Which three options are valid WAN connectivity methods?（）
A . PPP
B . WAP
C . HDLC
D . MPLS
E . L2TPv3
F . ATM
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What are three uses for record groups?（）
A . To pass data to a pop-up menu.
B . To populate a base table block.
C . To pass data to other form modules.
D . To pass data to other Oracle products.
E . To dynamically construct SELECT statements.
F . To server as the source for a FROM clause query.&e
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What are three advantages of VLANs?（）
A . VLANs establish broadcast domains in switched networks.
B . VLANs utilize packet filtering to enhance network security.
C . VLANs provide a method of conserving IP addresses in large networks.
D . VLANs provide a low-latency internet working alternative to routed networks.
E . VLANs allow access to network services based on department, not physical location.
F . VLANs can greatly simplify adding, moving, or changing hosts on the network.
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What are three methods to reduce Mysql server exposure to remote connections?（）
A . Setting — skip-networking when remote connections are not required
B . Using the sql_mode=STRICT_SECURE after connections are established for encrypted communications
C . Setting specific GRANT privilege to limit remote authentication
D . Setting – mysql_secure_configuration to enable paranoid mode
E . Using SSL when transporting data over remote network
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What are three facts control plane policing？ （）
A . a set of rules that can be established and associated with the ingress and egress ports of the control plane
B . improves performance of the control plane by marking control plane packets with DSCPEF
C . protects the control plane on a router from DoS attacks
D . treats the control plane as a separate entity with its own ingress （input） and egress （output） ports
E . provides the control plane with a separate token bucket
F . enhances security of the control plane by tunneling packets to and from the control plane
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Which three of the following network features are methods used to achieve high availability（）
A . Spanning Tree Protocol（STP）
B . Delay reduction
C . Hot Standby Routing Protocol（HSRP）
D . Dynamic routing protocols
E . Quality of Service（QoS）
F . Jitter management
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What are four methods used by hackers？ （）
A . footprint analysis attack
B . privilege escalation attack
C . buffer Unicode attack
D . social engineering attack
E . front door attacks
F . Trojan horse attack
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What are two methods of mitigating MAC address flooding attacks？（）
A . Place unused ports in a common VLAN.
B . Implement private VLANs.
C . Implement DHCP snooping.
D . Implement port security.
E . Implement VLAN access maps.
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What are three advantages of VLANs？（）
A . VLANs establish broadcast domains in switched networks.
B . VLANs utilize packet filtering to enhance network security.
C . VLANs provide a method of conserving IP addresses in large networks.
D . VLANs provide a low-latency internetworking alternative to routed networks.
E . VLANs allow access to network services based on department,not physical location.
F . VLANs can greatly simplify adding,moving,or changing hosts on the network.
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What are the three workers doing?
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In Paras. 6—13, three methods of animal protection are mentioned,which of the following is not correct?
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What are the advantages of the second method he describes?
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What are the two methods of organization?
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There are three principal methods of chartering a tramp ship， they are （）.
A、time charter
B、bareboat charter
C、voyage charter
D、conference lines
此题为多项选择题。
