Nokia 4A0-100 Online Practice Questions and Exam Preparation

Nokia 4A0-100 Online Questions & Answers

• Question 31:

  The 201.148.26.0/24 network is subnetted using a /26 mask. How many subnets and host addresses will you obtain with this mask?

  A. 4 subnets, 64 hosts
  B. 64 subnets, 4 hosts
  C. 4 subnets, 62 hosts
  D. 64 subnets, 2 hosts
  E. 6 subnets, 30 hosts
  C. 4 subnets, 62 hosts

• Question 32:

  On the Nokia 7750 SR, which key displays all command options and their descriptions?

  A. ?
  B. Tab
  C. Space bar
  D. Return
  A. ?

• Question 33:

  Which of the following is a function of the Link layer?

  A. It is responsible for encapsulating packets into frames for transmission on physical media
  B. It is responsible for encapsulating packets into IP datagrams and routing them
  C. It is responsible for encapsulating application data into TCP/UDP messages
  D. It is responsible for the timing of the signals on physical media.
  A. It is responsible for encapsulating packets into frames for transmission on physical media

• Question 34:

  Which of the following is not supported on the Nokia 7450 ESS?

  A. Support for IPv6.
  B. Support for POS.
  C. Upgrade path to the Nokia 7750 SR.
  D. Support for IS-IS
  C. Upgrade path to the Nokia 7750 SR.

• Question 35:

  How does address summarization reduce the routing table size?

  A. By allowing a block of routes to be represented by one route.
  B. By only keeping best routes in the routing table.
  C. By rejecting duplicate route advertisements.
  D. By not advertising directly connected routes.
  A. By allowing a block of routes to be represented by one route.

• Question 36:

  How is Ethernet II different from Ethernet 802.3?

  A. Ethernet II can be used on broadcast networks where as 802.3 was designed for point-to-point networks.
  B. Ethernet II identifies its payload type where as 802.3 indicates the frame length.
  C. Ethernet II identifies its frame length while 802.3 indicates the payload type.
  D. Ethernet II and Ethernet 802.3 are two different names for the same protocol.
  B. Ethernet II identifies its payload type where as 802.3 indicates the frame length.

• Question 37:

  What distance is supported using CAT-5 cabling for 10/100/1000 TX?

  A. 100 m.
  B. 500 m.
  C. 1 Km.
  D. 10 Km.
  A. 100 m.

• Question 38:

  Which transport protocol and port number is used by BGP to establish and maintain a peering session with other BGP speakers?

  A. TCP port 179.
  B. UDP port 179.
  C. TCP port 22.
  D. UDP port 22.
  A. TCP port 179.

• Question 39:

  If a 4-port LAG is configured with the option of 'port-threshold 2' and 'action down' what will happen if the total operational links in the LAG is 2?

  A. If dynamic-cost is enabled it will adjust the cost for routing protocols such as OSPF.
  B. If dynamic-cost is not enabled it will adjust the cost for routing protocols such as OSPF by dividing the link bandwidth by 2.
  C. The LAG will be changed to an operational state of 'down'.
  D. The LAG will function with only 2 ports. There will be no change to the routing metric.
  C. The LAG will be changed to an operational state of 'down'.

• Question 40:

  What is the function of a Routing Table Manager (RTM)?

  A. To find the best path to the destination network and install it in the routing table - based on the metrics of the routing protocol.
  B. To provide a CLI interface that allows the operator to configure the dynamic routing protocol on the router.
  C. To choose the route with the lowest preference and install it in the routing table - based on the routing protocol preference values.
  D. To provide a CLI interface that allows the network operator to install static routes in the routing table.
  C. To choose the route with the lowest preference and install it in the routing table - based on the routing protocol preference values.