By Odom W.
CISCO Официальные руководства по подготовке к сертификационным экзаменам CCENT/CCNA. К каждой книге прилагается CD с вопросами, уроками и бесплатными версиями соответствующих сетевых симуляторов. Также прилагается эмулятор сетевых устройств Boson Netsim.
Read or Download CISCO CCENT/CCNA ICND1, ICND2 640-822, 640-816 Official Cert Guide book 2 PDF
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Additional info for CISCO CCENT/CCNA ICND1, ICND2 640-822, 640-816 Official Cert Guide book 2
The three chapters in this ﬁrst part of the book pick up the LAN story, explaining the topics speciﬁcally related to ICND2 exam objectives. In particular, this chapter examines the concepts related to VLANs, and then covers the conﬁguration and operation of VLANs. The ﬁrst major section of this chapter explains the core concepts, including how to pass VLAN trafﬁc between switches using VLAN trunks, and how the Cisco-proprietary VLAN Trunking Protocol (VTP) aids the process of conﬁguring VLANs in a campus LAN.
Switch 1 adds a trunking header to the frame, listing a VLAN ID of 2. Switch 2 strips off the trunking header after noticing that the frame is part of VLAN 2, so switch 2 knows to forward the frame out only ports Fa0/5 and Fa0/6, and not ports Fa0/1 and Fa0/2. 1Q. Trunking protocols provide several features, most importantly that they deﬁne Virtual LAN Concepts headers, which identify the VLAN ID, as shown in Figure 1-2. They do have some differences as well, as discussed next. 1Q standard VLAN trunking protocol.
Appendix L, “ICND2 Open-Ended Questions,” is a holdover from previous editions of this book. The older edition had some open-ended questions for the purpose of helping you study for the exam, but the newer features make these questions unnecessary. For convenience, the old questions are included here, unedited since the last edition. Note that in addition to the appendices listed here, the DVD also includes a menu section that lists copies of all the subnetting elements from CCENT/CCNA ICND1 640-822 Ofﬁcial Cert Guide.