what is the purpose of a ccna test

what is the purpose of a ccna test

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www.youtube.com/user/paulwbrowning – my YouTube channel with free videos including subnetting. During this transition period, hosts on the local network segment use two Unicast addresses: one from the old prefix and one from the new prefix. Any current connections using the old prefix are still handled; however, any new connections from these hosts are made using the new prefix. When the old prefix expires, only the new prefix is used. The following configuration example illustrates how to assign an IPv6 prefix to an interface and configure the router to create the interface ID automatically using EUI-64 addressing: In the examples above, each binary bit is turned on for the host portion. 174.12.0.0 IPv6 addressing hierarchy IPv6 extensibility You should already be familiar with basic networking concepts but as a refresher, when describing various network devices, the following terminology is often used: Collision domain: includes all devices that share the same bandwidth; collision domains are separated by switch ports Hardware is CPU Interface, address is 0010.1127.2388 (bia 0010.1127.2388) Internet address is 192.168.1.3/24 2.4Configure, verify, and troubleshoot VLANs (normal range) spanning multiple switches ROM: C2960 Boot Loader (C2960-HBOOT-M) Version 12.2(25r)FX, RELEASE SOFTWARE (fc4) IPv6 offers MTU path discovery before sending packets to a destination, eliminating the need for fragmentation. From the chart above, you can see that the subnet mask is 255.255.255.248. The 255 in the third octet is there because you filled it up whilst moving over into the fourth octet. The subnets are also going up in increments of 8. Please spend the rest of this day’s lesson practicing these critical topics: Conversion from decimal to binary (random numbers) Enter configuration commands,what is the purpose of a ccna test, one per line. End with CNTL/Z. Switch(config)#ip default-gateway 192.168.1.1 Stateful versus Stateless Firewalls Model In Figure 5.14, the Layer 2 network has been divided into two Broadcast Domains using VLANs. Now a broadcast sent by PC-A will be received by PC-B but not by PC-C and PC-D. Without VLANs PC-C and PC-D would have received the broadcasts sent by PC-A. The following are some advantages of VLANs: 0 watchdog, 0 multicast, 0 pause input Layer 2 – Data Link Layer VLAN1 is shut down by default so you would have to issue a no shut command to open it. You should also tell the switch where to send all IP traffic because a Layer 2 switch has no ability to build a routing table; this is illustrated in the output below: If you feel your head spinning right about now, this is normal. It takes a while for all of this to finally click, I’m afraid. There are a few simple steps to follow in order to configure stateless DHCPv6 on a router: Network Switches Hardware is AmdFE, address is 0013.1986.0a20 (bia 0013.1986.0a20) throughout the book and in labs. input flow-control is off, output flow-control is off ARP type: ARPA, ARP Timeout 04:00:00 1.10Describe the need for private IPv4 addressing I mentioned before that hubs are simply multi port repeaters (see Figure 5.9). They take the incoming signal, clean it up, and then send it out of every port with a wire connected. They also create one huge collision domain. Switch# Reverting back to the topic of discussion, with the ipv6 address command, the [eui-64] keyword is used to configure an IPv6 address for an interface and enables IPv6 processing on the interface using an EUI-64 interface ID in the low-order 64 bits of the address. By default, Link-Local, Site-Local, and IPv6 stateless autoconfiguration all use the EUI-64 format to make their IPv6 addresses. EUI-64 addressing expands the 48-bit MAC address into a 64-bit address. This is performed in two steps, both of which are described in the following section. This process is referred to as stateless autoconfiguration, or SLAAC.

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