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单选题
How many traffic classes are supported on the ERX Edge Router?（）
A
1
B
2
C
4
D
8
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The ERX Edge Router is configured for PPP over Ethernet without using VLAN tagging. How many PPP over Ethernet major interfaces can be configured per port?()
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Which IS－IS authentication method is supported on the ERX Edge Router?()
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What are the three OSPF authentication methods supported on the ERX Edge Router?()
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By default, how often does an ERX Edge Router send an OSPF link－state advertisement in a stable network?()
A.AB.BC.CD.D
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In a PPP over ATM environment,which two PPP authentication methods are supported by the ERX Edge Router?()
A.IKEB.PAPC.CHAPD.MSCHAP
考题
How does the ERX Edge Router interact with an external DHCP server in a Bridged 1483 network?()
A.It maintains DHCP leases on behalf of subscribers.B.It initiates DHCP requests on behalf of subscribers.C.It passes DHCP traffic to and from the server;you must configure static host routes.D.It passes DHCP traffic to and from the server and inserts host routes into its routing table.
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Beginning with software version 4-0-0.rel，how many virtual routers canbe configured on the ERX Edge Router？（）A、32B、128C、256D、1000
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How many skills may an agent have?（）A、25 B、50 C、no enforced limit D、as many as the number of ports supported on the server
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You are working with a client to classify the different types of application traffic they will have on their network and to assign a QoS value to each traffic flow. The client has identified the following applications: Internet traffic, Oracle, network-based backups, AOL Instant Messenger, IP routing, voice, and voice signaling. Given these types of applications, how many different classes will need to be configured in QoS?（）A、8B、6C、9D、5
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How does the ERX Edge Router interact with an external DHCP server in a Bridged 1483 network？（）A、It maintains DHCP leases on behalf of subscribers.B、It initiates DHCP requests on behalf of subscribers.C、It passes DHCP traffic to and from the server;you must configure static host routes.D、It passes DHCP traffic to and from the server and inserts host routes into its routing table.
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How does the ERX Edge Router interact with subscriber IP addresses assigned by an externa lDHCP server?（）A、It monitors messages from the external server and updates the routing table as needed.B、It maintains the leases for the DHCP server and reassigns addresses to new subscribers.C、It sends keepalives to the subscriber and makes the address available when the subscriber stops responding.D、It sends keepalives to the subscriber and removes the host route when the subscriber stops responding.
考题
单选题What is the default Quality of Service traffic class used by the ERX Edge Router?（）A
bronze forwardingB
assured forwardingC
expedited forwardingD
best effort forwarding
考题
单选题How does the ERX Edge Router interact with an external DHCP server in a Bridged 1483 network？（）A
It maintains DHCP leases on behalf of subscribers.B
It initiates DHCP requests on behalf of subscribers.C
It passes DHCP traffic to and from the server;you must configure static host routes.D
It passes DHCP traffic to and from the server and inserts host routes into its routing table.
考题
单选题Which IS-IS authentication method is supported on the ERX Edge Router?（）A
simple passwordB
HMAC message digest 5C
Password Authentication ProtocolD
Challenge Handshake Authentication Protocol
考题
单选题The ERX Edge Router is configured for PPP over Ethernet without using VLAN tagging. How many PPP over Ethernet major interfaces can be configured per port?（）A
1B
100C
2048D
4096
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多选题In a PPP over ATM environment,which two PPP authentication methods are supported by the ERX Edge Router?（）AIKEBPAPCCHAPDMSCHAP
考题
多选题What are the three OSPF authentication methods supported on the ERX Edge Router？（）Anull passwordBsimple passwordCmessage digest 5DPassword Authentication ProtocolEChallenge Handshake Authentication Protocol
考题
单选题Which ERX Edge Router component is responsible for all packet processing and packet forwarding？（）A
I/O adapterB
line moduleC
shared memory fabricD
switch route processor
考题
单选题Beginning with software version 4-0-0.rel，how many virtual routers canbe configured on the ERX Edge Router？（）A
32B
128C
256D
1000
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