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H3C Constructing Small - and Medium - Sized Enterprise Network Sample Questions:

1. The customer's MSR router is connected to the operator's network through the S0/0 interface and to the internal network through the G1/0 interface. Currently, the network is operating normally, and customers can normally access all services on the Internet and Intranet through the router. Now the following configuration has been added to the MSR: ★ The original answer ABCD firewall enable firewall default deny acl number 3002 rule 0 deny tcp interface Serial0/0 link-protocol ppp firewall packet-filter 3002 inbound firewall packet-filter 3002 outbound So which of the following applications are possible Not affected _____.

A) Learn routing with the operator through BGP
B) Learn routing with the operator through OSPF
C) Visit the information technology website in Shanghai
D) Learn routing with the operator through RIP

2. In the router's routing table, there is an entry for a route with a network segment of 10.168.100.0/24, with a Cost of 20 and a Preference of 255, so which of the following statements about this route are correct?

A) Cost 20 means that the hop count of the route is 20
B) The priority of this route is the highest value, which means any route from an untrusted source
C) This is an effective dynamic route
D) This route must be learned through dynamic routing

3. I see the following information on a router MSR-1:
[MSR-1]display arp all
Type: S-Static D-Dynamic
IP Address MAC Address VLAN ID Interface Aging Type
168.0.2 0123-4321-1234 N/A GE0/0 20 D After checking that the host has a large number of viruses, now the customer wants to prohibit the message sent by the host from passing through MSR-1, then _______. (Multiple choice)

A) Advanced ACL can be configured on the router and applied in the outbound direction of GE0/0.
B) You can configure basic ACL on the router and apply it in the outbound direction of GE0/0.
C) Basic ACL can be configured on the router and applied in the inbound direction of GE0/0.
D) Advanced ACL can be configured on the router and applied in the inbound direction of GE0/0.

4. The correct statement below is ______. (Multiple choice)

A) CSU (Channel Service Unit): A digital interface device that connects end users with the local digital telephone loop. Usually it and DSU are collectively referred to as CSU/DSU. CSU equipment includes computers, protocol translators, and demultiplexers. DTE equipment includes these
B) DTE (Data Terminal Equipment, data terminal equipment) equipment refers to the equipment located at the user end of the user network interface, it can be used as a source, a sink, or both at the same time. Data terminal equipment is connected to a data network through a data communication device (for example, a modem), and usually uses a clock signal generated by the data communication device. Modems and interface cards are examples of DTE devices. Is an example of a DCE device
C) DSU (Data Service Unit): refers to a device used in digital transmission, which can adapt the physical layer interface on the DTE device to communication facilities such as T1 or E1. The data service unit is also responsible for signal timing and other functions. It is usually mentioned together with CSU and is called CSU/DSU.
D) DCE (Data Circuit Terminating Equipment, data communication equipment or data circuit terminal equipment) equipment and its connection with the communication network constitute the user network interface of the network terminal. It provides a physical connection to the network for forwarding traffic, and provides a clock signal for synchronizing data transmission between DCE equipment and DTE equipment.

5. If all 0s and all 1s subnets can be used as effective subnets, the class C address 192.168.1.0 is subnetted with a 27-bit subnet mask, and the number of effective subnets that can be divided is ______.

A) 6
B) 2
C) 4
D) 8

Solutions: