单项选择题

Refer to the exhibit. 

Which order correctly identifies the steps to provision a cable modem to connect to a headend as defined by the DOCSIS standard?()

A.A→D→C→G→E→F→B
B.A→D→E→G→C→F→B
C.C→D→F→G→E→A→B
D.C→D→F→G→A→E→B
E.F→D→C→G→A→E→B



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1.单项选择题Which statement is true about a worm attack?()

A.Human interaction is required to facilitate the spread.
B.The worm executes arbitrary code and installs copies of itself in the memory of the infected computer.
C.Extremely large volumes of requests are sent over a network or over the Internet.
D.Data or commands are injected into an existing stream of data. That stream is passed between a client and server application.

2.单项选择题Which statement is true when ICMP echo and echo-reply are disabled on edge devices?()

A.Pings are allowed only to specific devices.
B.CDP information is not exchanged.
C.Port scans can no longer be run.
D.Some network diagnostic data is lost.
E.Wireless devices need to be physically connected to the edge device.
F.OSPF routing needs the command ip ospf network non-broadcast enabled.

3.多项选择题What are the four fields in an MPLS label?()

A.version
B.experimental
C.label
D.protocol
E.TTL
F.bottom-of-stack indicato

4.多项选择题Which three statements are true when configuring Cisco IOS Firewall features using the SDM? ()

A.A custom application security policy can be configured in the Advanced Firewall Security Configuration dialog box.
B.An optional DMZ interface can be specified in the Advanced Firewall Interface Configuration dialog box.
C.Custom application policies for e-mail, instant messaging, HTTP, and peer-to-peer services can be created using the Intermediate Firewall wizard.
D.Only the outside (untrusted) interface is specified in the Basic Firewall Interface Configuration dialog box.
E.The outside interface that SDM can be launched from is configured in the Configuring Firewall for Remote Access dialog box.
F.The SDM provides a basic, intermediate, and advanced firewall wizard.

6.多项选择题

Refer to the exhibit.

Which three statements describe the steps that are required to configure an IPsec site-to-site VPN using a GRE tunnel?()

A.The command access-list 110 permit gre must be configured to specify which traffic will be encrypted.
B.The command access-list 110 permit ip must be configured to specify which hosts can use the tunnel.
C.The tunnel destination 172.17.63.18 command must be configured on the Tunnel0 interface.
D.The tunnel mode gre command must be configured on the Tunnel0 interface.
E.The tunnel source Ethernet1 command must be configured on the Tunnel0 interface.
F.The tunnel source Tunnel0 command must be configured on the Tunnel0 interface.

7.多项选择题What are three configurable parameters when editing signatures in Security Device Manager (SDM)?()

A.AlarmSeverity
B.AlarmKeepalive
C.AlarmTraits
D.EventMedia
E.EventAlarm
F.EventAction

8.多项选择题Which two statements are true about broadband cable (HFC) systems?()

A.Cable modems only operate at Layer 1 of the OSI model.
B.Cable modems operate at Layers 1 and 2 of the OSI model.
C.Cable modems operate at Layers 1, 2, and 3 of the OSI model.
D.A function of the cable modem termination system (CMTS) is to convert the modulated signal from the cable modem into a digital signal.
E.A function of the cable modem termination system is to convert the digital data stream from the end user host into a modulated RF signal for transmission onto the cable system.

9.多项选择题Which two mechanisms can be used to detect IPsec GRE tunnel failures?()

A.Dead Peer Detection (DPD)
B.CDP
C.isakmp keepalives
D.GRE keepalive mechanism
E.The hello mechanism of the routing protocol across the IPsec tunnel

10.单项选择题

Refer to the exhibit. Which statement is true about the partial MPLS configuration that is shown?()

A.The route-target both 100:2 command sets import and export route-targets for vrf2.
B.The route-target both 100:2 command changes a VPNv4 route to a IPv4 route.
C.The route-target import 100:1 command sets import route-targets routes specified by the route map.
D.The route-target import 100:1 command sets import route-targets for vrf2 that override the other route-target configuration.

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Refer to the exhibit. The show mpls interfaces detail command has been used to display information about the interfaces on router R1 that have been configured for label switching. Which statement is true about the MPLS edge router R1?()

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