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Test Formativo

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Título del test:
Test Formativo

Descripción:
Test Formativo

Autor:
AVATAR
M.Sc. Reynaldo Zeballos
(Otros tests del mismo autor)


Fecha de Creación:
09/07/2019

Categoría:
Otros

Número preguntas: 60
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Temario:
In OSPF protocol, most of the packets are sent by using reserved multicast address and unicast. This can reduce the impact on non-OSPF speaking devices. True False.
When a trunk port receive an untagged frame, the switch will drop the frame. True False.
When network condition changed, a static route can be rectified automatically without reconfiguration by the network administrator. True False.
An L2 switch checks the MAC address forwarding table before it forwards a packet. How does the L2 switch forward a packet that contains an address not listed in the MAC address forwarding table? Multicast Broadcast Unicast Searching for routes.
Which of the following class address are multicast address? Class A Class B Class D Class E.
Which of the following is reserved for loopback address? 127.0.0.0 130.0.0.0 164.0.0.0 200.0.0.0.
Which of the following is the function of session layer? Provide encryption and decryption Provide data transformation and data format Establish connection between hosts Establish maintain and terminate session .
Which of the following is the metric of OSPF? Number of hops COST Priority LSA.
For a traditional class C network without sub-netting, how many hosts are available at most? 1024 65025 254 48.
Which of the following numbers is the maximum hop count in RIP? 12 15 16 Infinity.
The distance limit of category 5 UTP wiring is ( ...... ). 100 meters 200 meters 50 meters 185 meters 90 meters.
Which of the following descriptions about learning state in STP is incorrect? The port in learning state can receive and send BPDU The port in learning state can learn the source MAC address of data packet The port in learning state can only learn the source MAC address but cannot transmit the data packet. The port in learning state can forward part of the data packet.
This device is used between the zones with different security level, control the information exchanged between two networks, enforce the implementation of unified security policy, and prevent the intruder from copying and accessing the important information illegally. In short words, it protects the security of the system. Which of the following devices provides the function mentioned above? Firewall Gateway Router IDS.
The PDU (Protocol Data Unit) that resides at physical layer is called ( ...... ) Frame Packet Segment Binary bit flow Datagram.
After a change occurs in a network topology, which of the following routes does not change automatically but changes only after the network administrator updates the change? RIP route OSPF route BGP route Static route.
In STP calculation, a port identifier consists of two parts: one-byte ( ...... ) and one-byte port number. Port priority Link priority Bridge MAC address Port MAC address.
A frame tag adds ( ...... ) to each frame so that the frame can be transmitted through Trunk ports on switches. Destination MAC address Source MAC address of a switch VLAN ID Bridge ID of a switch IP address.
The subnet mask of a class A address is 255.255.240.0. How many bits are used for sub-netting? 4 5 9 12 16.
A VLAN can be considered as a ( ...... ). Collision domain Broadcast domain Management domain Blocking domain.
In the OSI reference model, one layer transmits bit streams between devices. Which of the following layers stands for this layer? Data Link Layer Physical Layer Network Layer Application Layer.
What is the function of ARP? Map port number to IP address Map MAC address to IP address Broadcast IP address Map IP address to Mac address.
172.16.10.32/24 is ( ...... ) Network address Host address Multicast address Broadcast address IP address.
Which of the following commands is used to disable automatic route aggregation for RIP? Undo rip Summary Undo summary Undo network 10.0.0.0.
12 routers connected by Frame Relay network, how many PVCs is needed if the routers is connected as a full mesh network? 6 132 66 12 24.
Assume that a non-backbone area and backbone area can not be directly connected. Which of the following ways can be used to solve this problem? Configuring ABR Configuring ASBR Configuring Virtual-link Configuring Stub area.
OSPF is an application layer protocol and it runs on ( ...... ) UDP, port number 520 TCP, port number 179 IP, Protocol Number 89 Data Link layer.
The network address of the IP 190.233.27.13/16 is ( ...... ) 190.0.0.0 190.233.0.0 190.233.27.0 190.233.27.1.
Which of the following statements regarding the backbone area in OSPF protocol are correct? (3 choices) The area ID of the backbone area is 0.0.0.1. Each area must be connected to the backbone area. Backbone area is responsible for advertising the aggregated routing information generated by ABR between non-backbone areas. ABR connects to different areas and at least one of the connected area is backbone area.
Data link layer has two sub-layers, they are ( ...... , ...... ) PVC sub-layer MAC sub-layer LLC sub-layer VC sub-layer.
Packet filtering firewall filters packet based on quintuplet. Which of the following are the components of quintuplet? (3 choices) IP address Protocol number Port number Application program MAC address.
Which of the following statements regarding RIP routing information are correct? (2 choices) User can specify the route preference of RIP higher than that of static routes. If the route calculated by other routing protocol which is imported by RIP does not specify the cost value, the cost value will be set as 1 by default User can specify the route preference value of RIP lower than that of direct routes. The route preference of RIP can not be configured manually.
Which of the following statements are incorrect? (2 choices) The preferences for each static routes entry can be different. By default, OSPF is more preferred to RIP. The greater the cost, the better the route is. For those routes to the same destination on VRP platform, the one with higher preference value is more preferred over the one with lower preference value.
An administrator has implemented the following configuration in VRP. <huawei>system-view [huawei]user-interface maximum-vty 7 What effect will the above command have on user access? A maximum of 7 users are permitted to log into the device via the asynchronous serial port A maximum of 7 users are permitted to access the device using telnet. A maximum of 7 users are permitted to access the device via the console port. Users interfacing with VRP have a maximum of 7 password retries before user access is locked.
An administrator has been requested to assign hosts to the 172.16.4.32/29 network. Which of the following IP addresses may be assigned by the administrator to these hosts? (2 choices) 172.16.4.32 255.255.255.240 172.16.4.33 255.255.255.248 172.16.4.34 255.255.255.240 172.16.4.35 255.255.255.248.
In order to determine the reason for a change in the spanning tree topology, the following port information was extracted by an administrator from one of the switches. ----[Port1(GigabitEthernet0/0/1)][FORWARDING]---- Port Protocol :Enabled Port Role :Designated Port Port Priority :128 Port Cost(Dot1T ) :Config=100 / Active=100 Designated Bridge/Port :32768.4c1f-cc4f-26df / 128.1 Port Edged :Config=default / Active=disabled Point-to-point :Config=auto / Active=true Transit Limit :147 packets/hello-time Protection Type :None Port STP Mode :STP From the given output, what is the administrator able to determine? (2 choices) The port cost of the port interface has been assigned automatically by the 802.1t path cost standard. The bridge priority is using the default priority The port cost of the port interface has been manually assigned using the stp path cost command. The bridge priority has been changed from the default priority of 32767. .
The following routes have been configured within the IP routing table of a router. Destination/Mask Proto Pre Cost Flags NextHop Interface 172.16.1.0/24 OSPF 10 200 D 192.168.1.2 Gigabit Ethernet0/0/0 172.16.0.0/16 Static 5 0 RD 192.168.1.2 Gigabit Ethernet0/0/0 172.16.1.0/24 Static 80 0 RD 192.168.1.2 Gigabit Ethernet0/0/0 Which of the routes will be used in order to forward traffic to the destination host address of 172.16.1.1? Static route 172.16.0.0/16 containing a preference of 5 and a cost of 0 Static route 172.16.1.0/24 containing a preference of 80 and a cost of 0 OSPF route 172.16.1.0/24 containing a preference of 10 and a cost of 200. The two static routes will be active at the same time based on the cost value of 0.
Which of the following multicast addresses is used by RIPv2 for listening for RIP messages? 224.0.0.5 224.0.0.6 224.0.0.9 255.255.255.255.
Three AR2200 routers (RTA, RTB and RTC) have been configured as part of OSPF Area 0 via interface Gigabit Ethernet 0/0/0 in all instances. The default broadcast network type has been maintained. In addition, the three routers have been assigned the following parameters: For RTA: A Router ID of 1.1.1.1 and an interface Gigabit Ethernet 0/0/0 dr-priority of 0 are used. For RTB: A Router ID of 2.2.2.2 and an interface Gigabit Ethernet 0/0/0 dr-priority of 255 are used. For RTC: A Router ID of 3.3.3.3 and the default interface Gigabit Ethernet 0/0/0 dr-priority are used. For the given scenario, which of the following statements are true? Router RTA will adopt the role of DR and RTB will adopt the role of BDR. Router RTB will adopt the role of DR and RTC will adopt the role of BDR. Router RTB will adopt the role of DR and RTA will adopt the role of BDR. Router RTC will adopt the role of DR and RTB will adopt the role of BDR.
The following commands are implemented while configuring an Eth-trunk interface in VRP. [huawei]interface eth-trunk 1 [huawei-Eth-Trunk1]undo portswitch What is the effect of configuring the undo portswitch command on the Eth-trunk interface? (2 choices) The undo portswitch command will allow the L3 switch to perform layer 2 link aggregation. The undo portswitch command will allow the L3 switch to perform layer 3 link aggregation. The undo portswitch command will allow the router to perform layer 2 link aggregation. The undo portswitch command will allow the router to perform layer 3 link aggregation.
The following VLAN command has been configured on the switch. [huawei]vlan batch 2 to 9 10 With regards to the configured command, which of the following statements is correct? VLANs 2, 3, 4, 5, 6, 7, 8, 9 and 10 will be created on the switch VLANs 2, 9 and 10 will be created on the switch. The switch will generate an error stating that the format of the command is incorrect. VLANs from 2 through to 910 will be created on the switch.
Which of the following statements regarding access ports behavior are FALSE? (2 choices) Untagged frames are tagged with the default VLAN ID of the port on which the frame was received. Untagged frames are tagged with the default VLAN ID of the port on which the frame is to be transmitted Tagged frames are accepted if the frame VLAN ID matches the default VLAN ID of the port on which the frame is received. Tagged frames are discarded if the frame VLAN ID matches the default VLAN ID of the port on which the frame is received.
Where a fixed registration mode is configured in GVRP, which VLANs will be registered as attributes? Static and Dynamic VLANs. Static VLANs only Dynamic VLANs only. Only VLAN 1 will be supported.
The following frame relay configuration output was taken from the edge router. <Huawei>display fr pvc-info PVC statistics for interface Serial1/0/0 (DTE, physical UP) DLCI = 101, USAGE = LOCAL (00000100), Serial1/0/0 create time = 2014/07/04 07:32:24, status = ACTIVE InARP = Enable, PVC-GROUP = NONE in packets = 12, in bytes = 1546188226560 out packets = 16, out bytes = 480 Based on the display output, which of the following statements are TRUE? (3 choices) The frame relay PVC has been established dynamically using inverse ARP. The frame relay PVC has been established using manual frame relay mapping. The command fr inarp has been configured on interface Serial 1/0/0. The command fr map has been configured on interface Serial 1/0/0.
Upon attempting to establish a PPPoE connection, the administrator experienced difficulties. As such, the following information was captured on the PPPoE client by the administrator. <Huawei>display pppoe-client session summary PPPoE Client Session: ID Bundle Dialer Intf Client-MAC Server-MAC State 0 1 1 GE0/0/0 00e0fc2c4704 000000000000 PADI From the given display output, what is the administrator able to determine regarding the state of the PPPoE connection? (2 choices) The PPPoE client is not active A PPPoE Active Discovery Initiation packet has been sent by the client. A PPPoE Active Discovery Request packet has been sent by the client. The PPPoE server is currently not responding.
IP traffic originating from the internal network host of 192.168.1.1/24 destined for the public server with the address of 160.131.20.1. The administrator has configured the following command [RTA]interface GigabitEthernet 0/0/0 [RTA-GigabitEthernet0/0/0]nat outbound 2000 From the given command output, what can be determined regarding the implemented NAT configuration? (2 ch) Internal host address 192.168.1.1 will be translated to the public IP address associated with interface GigabitEthernet 0/0/0. Internal host address 192.168.1.1 will be translated to a public IP address from an assigned address pool. The administrator has configured Internal Server based NAT. The administrator has configured easyIP based NAT.
Which of the following represent parameters supported by Advanced Access Control Lists? (3 choices) Source & Destination IP addresses Source & Destination Port numbers Source & Destination MAC addresses The ICMP protocol type.
As part of the AAA scheme for user access to the network, the administrator configures the following commands: [Huawei-aaa]authorization-scheme A2 [Huawei-aaa-author-A2]authorization-mode if-authenticated hwtacacs local What effect will be applied to users associated with this scheme? Authenticated users will be authorized using hwtacacs authorization, if this fails local authorization will be used. Authenticated users will be authorized using local authorization, if this fails hwtacacs authorization will be used. Users will be authenticated using hwtacacs authentication, and if authenticated successfully, will be authorized using local authorization. Users will be authenticated using local authentication, and if authenticated successfully, will be authorized using hwtacacs authorization.
Which of the following represent features provided by the Authentication Header? (3 choices) Data Origin Authentication Data Confidentiality Data Integrity Checking Anti-Replay Service.
What is the recommended tunnel MTU that should be set for supporting GRE traffic carried over Ethernet to prevent packet fragmentation? 1492 1480 1476 1430.
Which two message protocol data units are supported as of SNMPv2c? (2 choices) SetRequest GetBulkRequest GetNextRequest InformRequest.
For the IPv6 address 2000:002A:0000:0000:0000:000A:020C:023D, which of the following represent valid condensed forms. (2 choices) 2000:2A::A:20C:23D 2000:2A:0:0:0:A:20C:23D 2000:2A::A:2C:23D 2000:2A:0:0:0:A:2C:23D.
For the router responsible for generating Router Advertisements (RA) on the link, the Managed (M) flag has been set to 0 and the Other (O) flag has been set 1. Based on the configuration options set, what IPv6 addressing behavior will be applied on the link? (2 choices) Hosts on the link will generate stateless IPv6 addresses based on a prefix advertised by the router. Hosts on the link will support stateful IPv6 address allocation through a DHCPv6 server. A DHCPv6 server on the link will provide stateless configuration settings to hosts. Configuration settings will be required to be manually set by the administrator.
Which of the following protocols authenticates a user remotely, authorizes the user access, and performs changing? SMTP RADIUS DNS HTTP.
Which of the following firewalls acts as an intermediate node in which it acts as a server for the client and acts as a client for the server? Which of the following firewalls best describes the firewall mentioned above? Packet filtering firewall Proxy firewall Stateful firewall Application layer gateway firewall.
The first three octets of a Class C IP address represent a network. Which of the following binary numbers does the first byte of the three octets start with? 101 100 110 10.
What is the port number of DNS? 21 23 53 80.
What does the number "130" in the following frame relay configuration command stand for? [RTB-Serial0] fr map IP 10. 1. 1. 2 130 Subnet mask DLCI Cost Weight.
Wich of the following standards is defined by IEEE to regulate the implementation of VLAN between switches? 802.1x 802. 1d 802. 1q 802. 3.
Which of the following protocols reside at transport layer? IP TCP UDP SNMP.
Which of the following are routed protocols? IP OSPF BGP IPX.
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