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You work as a network technician at. Your boss， Mrs. ， is interested in the Spanning Tree Protocol timers. What can you tell her regarding the default STP timers？ （）
A . The hello time is 5 seconds.
B . The forward delay is 10 seconds.
C . The hello time is 2 seconds.
D . The forward delay is 15 seconds
E . The max_age timer is 15 seconds.
F . The hello time is 10 seconds.
G . The max_age timer is 20 seconds.
H . The forward delay is 20 seconds.
I . The max_age timer is 30 seconds.
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Part of the job as a network administrator is being able to make a distinction between routed protocols and routing protocols. Which of the following statements is true regarding them?（）
A . A routing protocol is assigned to an interface and determines the method of packet delivery.
B . A routed protocol is assigned to an interface and determines the method of packet delivery.
C . A routing protocol determines the path of a packet through a network.
D . A routed protocol determines the path of a packet through a network.
E . A routing protocol operates at the transport layer of the OSI model.
F . A routed protocol updates the routing table of a router.
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You work as a database administrator for Certkiller .com. The UNDO_RETENTION parameter in your database is set to 1000 and undoretention is not guaranteed. Which statement regarding retention of undo data is correct？（）
A . Undo data becomes obsolete after 1，000 seconds.
B . Undo data gets refreshed after 1，000 seconds.
C . Undo data will be stored permanently after 1，000 seconds.
D . Committed undo data would be retained for 1，000 seconds if free undo space is available.
E . Undo data will be retained in the UNDOtablespacefor 1，000 seconds， then it gets movedmovedto the TEMPORARYtablespaceto provide read consistency.
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You work as a network technician at Company. Your boss， Ms. ， is interested in the Aironet enterprise solutions. What should you tell her regarding this？（）
A . The Cisco Aironet AP handles real-time portions of the LWAPP protocol， and the WLAN controller handles those items which are not time sensitive.
B . A Cisco Aironet AP handles the transmission of beacon frames and also handles responses to probe-request frames from clients.
C . Virtual MAC architecture allows the splitting of the 802.11 protocol between the Cisco Aironet AP and a LAN switch.
D . A Cisco Aironet solution includes intelligent Cisco Aironet access point （APs） and Cisco Catalyst switches.
E . In the Cisco Aironet solution， each AP is locally configured by the use of either a web interface or the command line interface.
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You work as a network technician at Company. Your boss， Mrs.， is interested in LWAPP （Lightweight Access Point Protocol）. What should you tell her regarding this technology？ （）
A . LWAPP is a proprietary protocol， and because of its very high overhead it is not widely adopted.
B . Control traffic is encapsulated in UDP packets with a source port of 1024 and a destination port of 12223.
C . Layer 3 LWAPP is a UDP/IP Frame that requires a Cisco Aironet AP to obtain an IP address using DHCP.
D . Data traffic is encapsulated in UDP packets with a source port of 1024 and a destination port of 12223.
E . Control traffic is encapsulated in TCP packets with a source port of 1024 and a destination port of 12223.
F . Data traffic is encapsulated in TCP packets with a source port of 1024 and a destination port of 12223.
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There is no （）that he was once a thief. But it doesn't mean you can always regard him as a thief.
A、deny
B、denied
C、denies
D、denying
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A customer plans to implement SVC as part of a solution and has concerns regarding the resilience of the SVC architecture. The correct response to this concern is that SVC（）.
A . is stateless with global referencing of metadata
B . is based on cluster architecture with externally provided quorum disks
C . is based on cluster architecture, with quorum held internally on the first cluster node
D . is based on grid architecture, with each node holding a full mirror configuration for all other node
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Flex Links are a pair of a Layer 2 interfaces (switchports or port channels), where one interface is configured to act as a backup to the other. Which two statements are correct regarding Flex Links?（）
A . An interface can only belong to single Flex Links.
B . An interface can belong to multiple Flex Links.
C . Flex Links operate only over single pairs of links.
D . Flex Links automatically disable STP so no BPDUs are propagated.
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In regard to a hub and spoke Frame-Relay data network, what kind of physical network is it classified as?（）
A . point-to-point
B . broadcast multi-access
C . nonbroadcast multipoint
D . nonbroadcast multi-access
E . broadcast point-to-multipoint
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What is true regarding Autonomous Systems （AS ）？（）
A . AS numbers are assigned by the IANA
B . AS numbers are used by BGP （Border Gateway protocol ） to exchange IP routing information with neighboring AS
C . In the internet， an Autonomous System （AS） is a collection of IP networks and routers under the control
D . All of the Above
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1. The History of Tom Jones, A Foundling is regarded as __________’s masterpiece, with the fame of being the best constructed novel in English literature.
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In general practice, when an offeree receives an offer, he usually would not accept it immediately, but would make a new offer as a reply, which is regarded as
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M anagement is regarded as an art.
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My childhood dream is to be a vocalist like Pavarotti. In my eyes, he regards singing as a _____ (天职).
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What is NOT regarded as a way to achieve vividness in public speaking?
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“Harmony with Nature” leads to the “__________”, which holds that an __________is regarded as a member of a group.
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“Harmony with Nature” leads to the “__________”, which holds that an __________is regarded as a member of a group.
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Of all the factors taken into consideration when judging a dish, __ is regarded as the most important.
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Living at the turn of the century, ____ is often regarded as a transitional writer.
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Management is regarded as an art.
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What is regarded as a natural way of doing things in one culture may not necessarily mean the same in another culture.
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Although it is regarded long as a costly tool by experts in his field，it is a popular means in modem research．
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The company's prepayment to its supplier is regarded as a liability item.
A．Right
B．Wrong
C．Doesn't say
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In China it is relatively usual to ask people their age, but in the West this question is generally regarded as impolite. This is particularly true 【B1】 women, and even more 【B2】 if the inquirer is a man.
However, it is very 【B3】 to ask children their age, and some adults may not mind 【B4】 either. In fact, some elderly people are quite happy to 【B5】 their age, especially if they feel they look young 【B6】 their age. Nevertheless, it is not very wise to ask a(n) 【B7】 question like "How old are you". If elderly people want to talk about their age, and perhaps receive a compliment on how young they look, they may easily 【B8】 the topic themselves, and ask the other person to 【B9】 how old they are. 【B10】 such a question, it is quite acceptable to discuss age 【B11】. They normally expect to be complimented on their youthfulness, though rather than 【B12】 that they look very old!
【B13】 Westerners do not usually ask people directly how old they are, this does not 【B14】 that they are not interested to know how old other people are. They may ask someone else 【B15】 the information, 【B16】 they may try to 【B17】 the topic indirectly. Sometimes discussions about educational 【B18】 and the number of years of working experience may provide some 【B19】, but this is not always the 【B20】.
【B1】
A．on
B．for
C．in
D．of
