Which description about the stove is not true?

A .  It will only become active after a software failure. B .  It will only become active after a hardware failure. C .  It requires that Cisco NSF be enabled in order to work successfully. D .  It synchronizes the MAC·， FIB·， and adjacency tables between Active and Standby RouteProcessors.

A . The corresponding indexes for the table are also truncated. B . Delete triggers on the table are fired during the execution of the TRUNCATE command. C . The child table is truncated when the TRUNCATE command is applied on the parent table. D . The high-water mark （HWM） is set to point to the first usable data block in the table segment. E . No undo or very little undo data is generated during the execution of the TRUNCATE command

A . Three or more login requests have failed within the last 100 seconds. B . When the router goes into quiet mode， any host is permitted to access the router via Telnet，actual SSH， and HTTP， since the quiet-mode access list has not been configured. C . The login block-for command is configured to block login hosts for 93 seconds. D . All logins from any sources are blocked for another 193 seconds.

A . MD5 has been used by BGP to encrypt BGP update packets. B . BGP uses a message-digest algorithm to authenticate BGP peers C . A plain-text password authentication is an option of BGP authentication D . EBGP peers authentication is faster than IBGP peers authentication E . BGP uses public key and private key to authenticate BGP peers.

A . It incorporates a narrow range of technologies and products. B . It facilitates faster and more reliable customer deployments. C . It extends the value of designs through a sustained development plan. D . It incorporates products and technologies into enterprise, service provider, and commercial systems.

A . Transparent mode is layer 2. B . Routed mode is layer 3. C . Routed mode has 1 IP address. D . Transparent mode has 1 IP address.

A . They use the same key for encryption and decryption of data. B . They use different keys for decryption but the same key for encryption of data. C . They use different keys for encryption and decryption of data. D . They use the same key for decryption but different keys for encryption of data.

A .  Transparent mode is layer 2. B .  Routed mode is layer 3. C .  Routed mode has 1 IP address. D .  Transparent mode has 1 IP address.

A . This out-of-band approach supports scaling B . SLB is not inline. C . Mode is not as common as bridge or routed mode. D . Return traffic requires PBR, server default gateway pointing to SLB, or client source NAT.

A . IP source address is forged B . IP destination address is forged C . IP TCP source port is forged D . IP TCP destination port is forged E . None of above

A.author of best seller B.British mathematician C.born in Oxford D.theoretical physicist

A．It describes a story that happens in the future. B．One of the features in the novel is the misuse of language. C．It is the most famous detective novel in the world. D．It was written in the 20th century.

A．A.PCWAS: Support the +24VDC input and is applicable to the CWU and SMU. B．B.PCWAS: Support the -48VDC input and is applicable to the CW C．C.PCWAH: Support the -48VDC input and the voltage ranges from –40V to–57V. D．D.PCWCS: Support the -60VDC input and is applicable to the CWE

A．A.Better cell HO B．B.Emergency HO C．C.Low battery HO D．D.Power budget HO

A. Both the power line and the grounding line use the 10mm2 multi-strand lead wire. You can also use the 16mm2 multi-strand lead wire. B.The external power lines include two blue wire, two black lines, and one yellow and green line, which represent -48V, -48V GND, and PGND. C.Wires of all kinds of colors can be used in a mixed way. D.The ZXWM M900/ZXMP M800/ZXWM-32(V1.1) equipment use the -48 V DC power supply

A．Signal-regulated secretion requires the participation of clathrin, whereas continuous secretion is not required B．The specificity of the transporter is regulated by clathrin and adaptin in the composition of the vesicles C．Receptor-mediated transport needs protein or protein complex to associate with a specific receptor in the cell membrane D．Insulin secretion is endocytosis

A．The amplitude of the end plate potential is proportional to the amount of Ach released B．Some of them are depolarized, some of them are hyperpolarized C．is attributed to the Ca2+ influx at the end plate D．propagate on the end plate without the decrement of the amplitude E．followed by refractory period