2014年1月4日星期六

Certification HP de téléchargement gratuit pratique d'examen HP2-Z04, questions et réponses

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Code d'Examen: HP2-Z04
Nom d'Examen: HP (Building HP ProCurve Campus LANs)
Questions et réponses: 101 Q&As

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NO.1 Which statement is correct about security technology implemented in SNMPv3?
A. SNMPv3 applies authentication keys and algorithms to management traffic so that the recipient can
verify that packets have not been tampered with.
B. SNMPv3 utilizes symmetric cryptography, which uses a pair of mathematically related hash functions
to encrypt and decrypt messages.
C. SNMPv3 uses hash functions and encryption algorithms such as MD5 and SHA-1.
D. When using the AES algorithm with SNMPv3, it produces a larger message digest than the DES
algorithm.
Answer: A

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NO.2 Which security technology in Internet Key Exchange (IKE) allows endpoints to generate secure keys
without agreeing to them beforehand?
A. AES
B. Diffie-Hellman
C. RSA
D. HMAC
Answer: B

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NO.3 What is achieved by a shared secret, configured on both the RADIUS server and the RADIUS client?
(Select two.)
A. It defines the authentication domain.
B. It authenticates the server and client to each other.
C. It sets the password for users allowed to connect to the network.
D. It sets the password for switch managers.
E. It verifies the integrity of RADIUS messages. placed in blocking
Answer: B, E

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NO.4 You have created a port trunk consisting of three links between two HP ProCurve switches: Switch A
and Switch B. When Device C sends a packet to Server D, Switch A forwards the packet over link 1 in the
trunk. Which statement is true about how Switch A will transmit the next packet between Device C and
Server D?
A. It will send the packet over link 1 unless link 1 has reached the congestion threshold.
B. It will send the packet over link 2 or link 3.
C. It will send the packet over any of the three links, selected randomly.
D. It will send the packet over link 1.
Answer: B

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NO.5 Which parameter should you configure on an Autonomous System Border Router (ASBR) to allow it to
produce special Link State Advertisements (LSAs) that advertise external routes in a stub area?
A. Not-So-Stubby Area
B. Static Route Mapping
C. Stub Area
D. Backup Designated Router
Answer: A

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NO.6 What is the maximum number of untagged VLAN assignments on each port of an HP ProCurve Switch
3500yl-24PoE?
A. 1
B. 2
C. 10
D. the number set with the max-VLANs command
Answer: A

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NO.7 You are attempting to estimate the range of your wireless access point's signal. Which factors affect
the Effective Isotropic Radiated Power (EIRP) of its radio?
A. data rate and signal attenuation
B. cable loss and antenna gain
C. traffic patterns and antenna gain
D. transmit power and signal attenuation
Answer: B

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NO.8 You are running Secure Shell (SSH) on your HP ProCurve switch, and you want to authenticate the
device that you use to manage the switch using the SSH-Client-Public-Key method. What must you do?
A. Generate a public and private key pair on the client, copying the client private key to the switch.
B. Generate a public and private key pair on the switch.
C. Copy the switch public and private key pair to the client.
D. Generate a public and private key pair on the client, copying the public key to the switch.
Answer: D

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NO.9 What must be enabled on a Cisco switch for Cisco PVST+ to interoperate with ProCurve devices
running 802.1s (MSTP) spanning tree?
A. VLAN 4096
B. the native VLAN
C. PVST+ compatibility mode
D. 802.1s (MSTP) compatibility mode
E. VLAN 1
Answer: E

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NO.10 .An IT manager wants to form a dynamic LACP trunk between two switches to increase bandwidth in
the network. What are valid configurations for achieving this goal? (Select two.)
A. Switch 1 ports = LACP Passive; Switch 2 ports = LACP Passive
B. Switch 1 ports = LACP Active; Switch 2 ports = LACP Active
C. Switch 1 ports = LACP Active; Switch 2 ports = LACP Passive
D. Switch 1 ports = HP Trunking; Switch 2 ports = LACP trunking
E. Switch 1 ports = 100FDx; Switch 2 ports = 1000FDx
Answer: B, C

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NO.11 A router has several interfaces that are all in the same OSPF areas. You want the router to receive a
default route and summary routes but no routes that have been redistributed into OSPF from another
routing method. How should you define the router's OSPF area?
A. Stub Area
B. Not-So-Stubby Area
C. transit Area
D. type 3 area
Answer: A

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NO.12 You want to establish a WAN connection using an X.21 cable. What is the correct Layer 2 protocol to
configure on your router to support this connection?
A. ATM
B. Frame Relay
C. HDLC
D. PPPoE
Answer: A

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NO.13 You have configured values for the Tunnel-Type, Tunnel-Pvt-Group-ID, and Tunnel-Medium-Type
attributes in a policy on your RADIUS server. Which dynamic setting(s)
have you created?
A. dynamic ACL only
B. dynamic VLAN only
C. dynamic rate limit only
D. dynamic rate limit and dynamic VLAN
E. dynamic ACL and dynamic VLAN
Answer: B

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NO.14 You want a ProCurve switch to send SNMPv2c traps to a management station. What must you
configure? (Select two.)
A. the correct SNMP encryption password
B. the IP address of the host that will receive the traps
C. SNMP Read/Write access to the host that will receive the traps
D. the correct SNMP username and password for the host that will receive the traps
E. the SNMP community string of the host that will receive the traps
Answer: B, E

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NO.15 Your company's security policies require managers to use HTTPS to access Web browser interfaces
of infrastructure products. Which tasks must you complete on each product? (Select two.)
A. Generate a self-signed server certificate for HTTPS.
B. Install a server certificate for HTTPS obtained from a Certificate Authority.
C. Install a client certificate for HTTPS obtained from a Certificate Authority.
D. Generate a certificate revocation list for HTTPS.
E. Generate an HTTPS client certificate.
Answer: A, B

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NO.16 A multicast packet is received on a switch in a VLAN that does not have IGMP enabled. How is the
packet handled?
A. The packet is flooded to a subset of the hosts on the VLAN, based on the source IP address of the
multicast stream.
B. The packet is transmitted on all ports that belong to the VLAN.
C. Because the routing interface for the VLAN has no way of resolving which hosts on the VLAN wish to
join the multicast, the packet is dropped.
D. Because the switch has no way of resolving which hosts on the VLAN wish to join the multicast, the
packet is flooded to all Rendezvous Points for proper routing.
Answer: B

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NO.17 Which value composes the unique byte of a Master VRRP router's MAC address?
A. the default priority of the original VRRP Master
B. a random number between 1-255 that is generated when the VRRP instance is created
C. the Master's loopback address
D. the ID associated with the VRRP instance
Answer: D

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NO.18 Your network includes only one DHCP server, which is in a different VLAN from many DHCP clients.
Which statement is true about configuring a DHCP Helper address on the DHCP clients' VLANs?
A. The DHCP Helper address converts the VLAN tag of the client's broadcasts to allow the DHCP server
to assign the correct unicast IP address.
B. The DHCP Helper address is not required because switches automatically forward DHCP requests to
the appropriate DHCP servers.
C. The DHCP Helper includes a list of addresses that the switch assigns to clients in unicast DHCP
replies.
D. For the DHCP clients' broadcasts to reach the server, the switch must translate them to traffic directed
to the DHCP helper address.
Answer: D

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NO.19 What does Secure Shell (SSH) use to conceal the content management traffic from eavesdroppers?
A. asymmetric cryptography
B. symmetric cryptography
C. message authentication codes
D. username and password authentication
Answer: B

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NO.20 Which type of OSPF Link State Advertisement (LSA) does an Area Border Router (ABR) send into one
area to advertise a summary route to all networks in another area?
A. type 5
B. type 3
C. type 2
D. type 1
Answer: B

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