更多"Your ERX Edge Router is using an in"的相关试题:
[单项选择]The ERX Edge Router in your Bridged 1483 network has multiple external DHCP servers configured.During discovery, which algorithm does the router use to decide which DHCP server to send packets to?（）
A. direct mode
B. round robin
C. weighted round robin
D. No algorithm is used.
[单项选择]Your ERX router is supporting 100 virtual routers.A specific line module supports IP interfaces in 5 virtual routers.How many routing tables are maintained on that module？（）
A. 0
B. 1
C. 5
D. 100
[单项选择]Which configuration command allows the ERX Edge Router to advertise customer networks into the provider’s IGP？（）
A. redistribute direct
B. redistribute static
C. redistribute connected
D. redistribute access-internal
[单项选择]Which ERX Edge Router component is responsible for all packet processing and packet forwarding？（）
A. I/O adapter
B. line module
C. shared memory fabric
D. switch route processor
[单项选择]Your ERX Edge Router is constantly going to a boot## prompt. What is the most likely cause for this condition？（）
A. bad SRP
B. low voltage
C. bad mid-plane
D. corrupted flash
E. bad line module
[多项选择]Which two features protect the ERX Edge Router from denial-of-service attacks? （）(Choose two.)
A. rate limiting of ICMP
B. RADIUS authorizations
C. source address validation
D. stateful firewall on the router
[单项选择] You are running OSPF between two ERX Edge Routers across an OC-12c link with HDLC encapsulation. How many designated routers are present for this link?（）
A. 0
B. 1
C. 2
D. 3
[单项选择]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.
[单项选择]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. 1
B. 100
C. 2048
D. 4096
[单项选择]An ERX Edge Router is operating in an MPLS network using interface label space.What is used to make a forwarding decision?（）
A. EXP bits
B. VPI / VCI
C. shim header
D. SNAP header
[单项选择]You are configuring the ERX Edge Router as an LNS in an L2TP network.Which statement is true about the value of the remote host parameter?（）
A. It must be the same as the server-name parameter on the LAC
B. It must be the same as the client-name arameteron the LAC
C. It must be the same as the remote-hostname parameter on the LAC
D. It must be the same as the tunnel password parameter on the LAC
[单项选择]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.
[单项选择]By default, which PPP mechanism does the ERX Edge Router use to monitor the session for a PPP over ATM client?（）
A. ping
B. hello
C. get request
D. echo request
[多项选择]On the serial interface of a router, an inbound access list is configured to deny all traffic from UDP and TCP ports 21, 23, and 25. All other traffic is permitted. Based on this information, which types of traffic will be allowed through this interface?（）
A. SMTP
B. DNS
C. FTP
D. Telnet
E. HTTP
F. POP3
[单项选择]The ERX Edge Router responds to a received PPP over Ethernet Active Discovery Initiation(PADI) with which message type?（）
A. PPPoE Active Discovery Offer
B. PPPoE Active Discovery Initiation
C. PPPoE Active Session Confirmation
D. PPPoE Active Session Acknowledgment
[单项选择]Which service does the ERX Edge Router support with a virtual router?（ ）
A. voice over IP
B. wholesale services
C. IP quality of service
D. SNMP management
